《外研版九年级上英语各单元语法专项课件.ppt》由会员分享，可在线阅读，更多相关《外研版九年级上英语各单元语法专项课件.ppt（244页珍藏版）》请在三一办公上搜索。
1、Unit语法专项课件（过去进行时）,外研版九年级上英语各单元语法课件,Unit外研版九年级上英语各单元语法课件,外研版九年级上英语各单元语法专项课件,过去进行时定义,过去进行时表示过去某一时刻或某一段时间内正在进行或发生的动作。,过去进行时定义过去进行时表示过去某一时刻或某一段时间内正在进,过去进行时的结构,否定形式,问句形式,was/were + not + doing,Was/Were+主语+doing?,He was sleeping at that time.,He wasnt sleeping at that time.,Was he sleeping at that time?,过
2、去进行时的结构否定形式问句形式was/were + not,过去进行时标志词,then, at that time, this time yesterday, at 5 oclock last night, all night, all the morning, from 7:00 to 9:00 yesterday,They were having a class this time yesterday.I was drawing a horse when the teacher came in.,过去进行时标志词then, at that time, th,动名词变化规则,动名词变化规则口
3、诀规则例子直1. 一般情况下，直接在动词后加,易错点1,when的用法,when和while引导时间状语从句,1. 状语从句表示短时间的动作，主句常用进行时态或完成时态。When I came in, he was reading the newspaper.,非延续性动词：come, go, leave, arrive, meet, die等。,易错点1when的用法when和while引导时间状语从句1,易错点1,when的用法,when和while引导时间状语从句,2. 状语从句表示长时间的动作或状态，主句常用进行时态。When she was making a call, I was
4、writing a letter.,易错点1when的用法when和while引导时间状语从句2,易错点1,when的用法,when和while引导时间状语从句,3. 表示突然发生某事，意思是“正在时突然”，主句常用过去进行时，when从句常用一般过去时。I was just coming along to see you when I ran into Wilson.,易错点1when的用法when和while引导时间状语从句3,易错点1,while的用法,when和while引导时间状语从句,1. 主句和从句都用一般过去时。She listened carefully while he r
5、ead.,延续性动词：read, study, sleep, write, listen, watch等。,易错点1while的用法when和while引导时间状语从句,易错点1,while的用法,when和while引导时间状语从句,2. 从句用过去进行时，主句用一般过去时。While I was watching TV, Tom came in.,易错点1while的用法when和while引导时间状语从句,易错点1,while的用法,when和while引导时间状语从句,3. 主句和从句都用过去进行时。While I was watching TV, she was doing some
6、 cleaning.,易错点1while的用法when和while引导时间状语从句,易错点2,用法不同,过去进行时和一般过去时的区别,易错点2用法不同过去进行时和一般过去时的区别过去进行时一般过,易错点2,用法不同,过去进行时和一般过去时的区别,She was writing a letter to her friend at eight last night.She wrote a letter to her friend last night.,(信不一定写完),(信写完了),She waved to me. She was waving to me.,（挥了挥手）,（反复挥手）,易错点2
7、用法不同过去进行时和一般过去时的区别She was,易错点2,标志词不同,过去进行时和一般过去时的区别,易错点2标志词不同过去进行时和一般过去时的区别过去进行时一般,易错点2,过去进行时和一般过去时的区别,We were having supper at this time yesterday.It was raining all those days.I was reading English while my mother was cooking breakfast.,（过去进行时）,易错点2过去进行时和一般过去时的区别We were havi,易错点2,过去进行时和一般过去时的区别,I
8、lived in Beijing three years ago.The first Olympic Games happened in 1896.Anny used to be short, but she becomes taller now.,（一般过去时）,易错点2过去进行时和一般过去时的区别I lived in B,【典例1】Little Tom _ computer games when his mother got home. A. is playing B. plays C. was playing D. playing,考查时态。句意：当妈妈到家的时候，小汤姆正在玩电脑游戏。
9、when引导时间状语从句，主句多用进行时，时间发生在过去，故用过去进行时。,【典例1】Little Tom _ compute,【典例2】 Turn off the water while you _ your teeth or washing your hands. A. were brushing B. brush C. are brushing D. brushed,考查时态。句意：当你刷牙或洗手的时候，请关掉水龙头。while引导时间状语从句，时态保持一致，brushing与washing并列；习惯的动作，故选现在进行时。,【典例2】 Turn off the water while,
10、【典例3】I called you at 8:00 yesterday evening, but no one answered. Sorry, I _ clothes at that time. A. wash B. washed D. am washing D. was washing,考查时态。句意：昨晚八点我打电话给你，但是没有人接。不好意思，那个时候我正在洗衣服。at that time为过去进行时标志词，选用was/were doing。,【典例3】I called you at 8:00 yes,语法专项课件（一般过去时1）,语法专项课件,外研版九年级上英语各单元语法专项课件,一
11、般过去时的常见用法,表过去发生的动作。,表过去存在的状态。,He was very short when he was ten.,Tom broke the window yesterday.,一般过去时的常见用法表过去发生的动作。表过去存在的状态。He,Be动词一般过去时四巧,一是时间状语巧，表示过去的短语要记牢；二是肯定结构巧，单数was，复数were；否定结构是三巧，not紧跟waswere；四是疑问句式巧， waswere向前跑(提前)。,记忆口诀,Be动词一般过去时四巧一是时间状语巧，表示过去的短语要记牢；,Be动词一般过去时四巧,时间状语巧：一般过去时表示过去发生的动作或存在的状态
12、，恰巧与表示过去的一些时间状语连用。例如：yesterday, last night/week/ month/year, last Saturday, the day before yesterday, in 1998, fiveyearsago等。,第一巧,Be动词一般过去时四巧 时间状语巧：第一巧,Be动词一般过去时四巧,肯定结构巧：它与一般现在时一样，形式多样：当主语是第一人称单数或第三人称单数时，谓语动词用was；主语是第二人称或其他人称复数时，谓语动词用were。I was in the classroom yesterday morning. 昨天早上我在教室里。,第二巧,Be动词
13、一般过去时四巧肯定结构巧：第二巧,Be动词一般过去时四巧,否定结构巧：与动词be的一般现在时一样，它在动词后面加not即可变成否定句，并且was, were与not可以缩写成wasnt, werent。主语 wasnt werent 表语 其他.,第三巧,Be动词一般过去时四巧否定结构巧：第三巧,Be动词一般过去时四巧,I was not (wasnt) here yesterday. 昨天我不在这儿。My parents were not (werent) at home last Sunday. 上周日我父母不在家。,Be动词一般过去时四巧I was not (wasnt),Be动词一般过
14、去时四巧,疑问句式巧：把was, were提到句首，句末用问号即可变为一般疑问句。Was(Were) 主语 表语 其他?,第四巧,Be动词一般过去时四巧疑问句式巧：第四巧,Be动词一般过去时四巧,Were you at home the day before yesterday？ 前天你在家吗？Was she late this morning？ 今天早上她迟到了吗？,Be动词一般过去时四巧Were you at home th,Be动词一般过去时四巧,肯定回答用“Yes, 主语waswere.”否定回答用“No, 主语wasntwerent.”Were Wei Hua and Han Mei
15、 here just now? 刚才魏华和韩梅在这儿吗？Yes, they were. (No, they werent.) 是的，她们在。（不，她们不在。）,Be动词一般过去时四巧肯定回答用“Yes, 主语wasw,易错点,was not缩写为wasnt, were not缩写为werent。,Linda wasnt in the classroom at that time.琳达那个时候没在教室。My family werent in China when I was five.我五岁时还没搬到中国。,易错点was not缩写为wasnt, Linda was,【典例1】 your par
16、ents at home last week? A. Is B. WasC. Are D. Were,考查时态中be动词的运用。句意：上周你爸妈在家吗？last week是一般过去时，应选用be动词的过去时，my parents是复数，故答案选D。,【典例1】 your parents at ho,【典例2】 Who was on duty last Friday? . A I am B I was C Yes, I wasD No, I wasnt,考查时态中be动词的运用。句意：上周五谁值日？我。问句为特殊疑问句，不能用Yes/No来回答；问句为一般过去时，答语也要用be动词的过去式。,【
17、典例2】 Who was on duty last Fr,语法专项课件（一般过去时2）,语法专项课件,外研版九年级上英语各单元语法专项课件,一般过去时的常见用法,表过去发生的动作。,表过去存在的状态。,He was very short when he was ten.,Tom broke the window yesterday.,一般过去时的常见用法表过去发生的动作。表过去存在的状态。He,行为动词一般过去时的结构,主语 + 动词过去式 + 其他She watched TV last night.她昨晚看了电视。,肯定句,行为动词一般过去时的结构主语 + 动词过去式 + 其他肯定句,行为动
18、词一般过去时的结构,主语 + did not (didnt) + 动词原形 + 其他She didnt watch TV last night.她昨晚没有看电视。,否定句,行为动词一般过去时的结构主语 + did not (didn,行为动词一般过去时的结构,问句：Did + 主语 + 动词原形 + 其他?回答：Yes, 主语 + did./No, 主语 + didnt.Did she watch TV last night? 她昨晚看电视了吗？Yes, she did./ No, she didnt. 是的，她看了。/不，她没看。,一般疑问句,行为动词一般过去时的结构问句：Did + 主语
19、+ 动词原形,行为动词一般过去时的结构,疑问词 + 一般疑问句What did she do last night? 她昨晚做什么了？She watched TV last night. 她昨晚看电视了。,特殊疑问句,行为动词一般过去时的结构疑问词 + 一般疑问句特殊疑问句,What did you do the day before yesterday?前天你们做什么了？When did the Green Family arrive?格林一家什么时候到达的？,特殊疑问词 + did + 主语 + 动词原形 + 其他?,易错点1,一般过去时陈述句变为特殊疑问句,What did you do
20、 the day before,易错点1,确定疑问词,一般过去时陈述句变为特殊疑问句,第一步,指人：who/whom事物：what地点：where时间：when/what time原因：why频率：how often长度：how long距离：how far,易错点1确定疑问词一般过去时陈述句变为特殊疑问句第一步指人：,易错点1,语序变化,一般过去时陈述句变为特殊疑问句,第二步,1) 对主语提问语序不变,Your friend came to send an email.,Who came to send an email?,易错点1语序变化一般过去时陈述句变为特殊疑问句第二步1) 对,易错点
21、1,一般过去时陈述句变为特殊疑问句,2) 对其他成分提问要加助动词did，后边动词需还原。,Sally had a party last night.,When did Sally have a party?,易错点1一般过去时陈述句变为特殊疑问句2) 对其他成分提问要,易错点2,一般过去时标志词,易错点2一般过去时标志词时间状语时间状语1. yesterd,易错点3,动词过去式（规则）,易错点3动词过去式（规则）变化规则举例一般动词，在词尾直接加,易错点3,一般过去时记忆口诀,动词一般过去时，表示过去发生的事；be用was或用were, have, has变had；谓语动词过去式，过去时间作
22、标志；一般动词加-ed，若是特殊得硬记。否定句很简单，主语之后didnt添；疑问句也不难，did放在主语前；如果谓语之前有did，谓语动词需还原；动词若是was,were,否定就把not添。,易错点3一般过去时记忆口诀动词一般过去时，表示过去发生的事；,动词过去时基本变化规则为“动词原形 + ed”。但在英语中，不符合上述变化规则的动词有许多，它们的过去式构成方式独特，因此被称为不规则动词。不规则动词的构成没有什么规律，需要特殊记忆。,易错点3,动词过去式（不规则）,动词过去时基本变化规则为“动词原形 + ed”。但在英语中，,am, iswas areweregowent dodidhave
23、had comecametaketook saysaideatate seesawgetgot putputsleepslept givegavewritewrote readread,易错点3,动词过去式（不规则）,am, iswas are,buybought sitsat swim swam makemade feelfelt hearheard growgrew telltold knowknew findfoundbeginbegan bring broughtstandstood spendspentcatchcaught teachtaught,易错点3,动词过去式（不规则）,b
24、uybought sitsa,易错点4,实义动词需还原,助动词是照妖镜，后边动词现原形。,易错点4实义动词需还原助动词是照妖镜，后边动词现原形。,易错点4,实义动词需还原,-Was Lucy watched TV last night? -Yes, she was. -Did Lucy watched TV last night? -Yes, she did. -Did Lucy watch TV last night? -Yes, she did. 析 谓语动词为实义动词时要用did来构成疑问句式。 实义动词要用动词原形。,易错点4实义动词需还原-Was Lucy watched T,【典例
25、1】给下面的单词写出过去式,考查动词过去式不规则变化。,1.get- 2.say- 3.have- 4.be- 5.tell- 6.think-7.write- 8.drive- 9.run-,got,said,had,was, were,told,thought,wrote,drove,ran,【典例1】给下面的单词写出过去式考查动词过去式不规则变化。1,【典例2】用所给动词的适当形式填空,考查动词的时态。根据题干1中last year; 2中last weekend; 3中last night可知三个句子均为一般过去时，选用动词的过去式形式。,1. We _ (live) in Japan
26、 last year.2. Tom _ (clean) my room and _(study) for the Chinese test last weekend.3.What _ you _(do) last night?,lived,cleaned,studied,did,do,【典例2】用所给动词的适当形式填空考查动词的时态。根据题干1,【典例3】When will our uncle come to see us? Hell come this weekend. He _ me that by e-mail. A. told B. tells C. will tell D. is t
27、elling,考查时态。句意：我们叔叔什么时候过来看我们？这周末来。他写邮件告诉我的。通过上下文推断为一般过去时，tell的过去时为不规则形式told。,【典例3】When will our uncle come,【典例4】句型转换（改为一般疑问句）We went to the Summer Palace five days ago._ you _ to the Summer Palace five days ago?,考查一般过去时的一般疑问句结构。一般过去时一般疑问句结构为：Did + 主语 + 动词原形 + 其他?,Did,go,【典例4】句型转换（改为一般疑问句）考查一般过去时的一般疑
28、问,Unit2语法专项课件（unless, as soon as, sothat的用法）,Unit2,外研版九年级上英语各单元语法专项课件,unless的常见用法,unless引导条件状语从句，意为“除非，如果不”。unless = if not。,Youll fail in English unless you work hard.Well miss the bus unless we walk more quickly.,unless的常见用法unless引导条件状语从句，意为“除,as soon as的常见用法,as soon as引导时间状语从句，意为“一就”。引导时间状语的连词包括w
29、hen, while, until, till, before, after等。,As soon as I have finished, Ill give you a call.Ill write to you as soon as I get to Beijing.,as soon as的常见用法as soon as引导时间状,sothat的常见用法,1. so形容词或副词that .引导肯定的结果状语从句，意思是“如此以至于”。,2. so形容词或副词that .引导否定的结果状语从句，意思是“如此以至于不能”。,The sunshine is so nice that I want to
30、 go swimming.,sothat,The camera is so expensive that I cant afford it.,sothat的常见用法1. so形容词或副词that,易错点1,在时间状语从句和条件状语从句中，应该使用一般现在时代替一般将来时，简称“主将从现”原则。,unless/as soon as引导状语从句的“主将从现”原则,主祈从现,主情从现,易错点1在时间状语从句和条件状语从句中，应该使用一般现在时代,易错点1,Well be late unless we speed up.Ill return the book as soon as I finish i
31、t.,（主将从现）,（从现）,易错点1Well be late unless we sp,易错点1,Please call me as soon as you get there.,（主祈从现）,（从现）,易错点1（主祈从现）（从现）（主祈）,易错点1,（主情从现）,You cant pass the exam unless you study hard.,（主情）,易错点1（主情从现）You cant pass the e,易错点2,一般情况下，unless相当于ifnot，可以互换，遵循“主将从现”原则。,I wont let you in unless you show me your
32、pass.,unless与ifnot,I wont let you in if you dont show me your pass.,易错点2一般情况下，unless相当于ifnot，可以互换,易错点3,结构不一样,so that/sothat的区别,so that后跟句子（目的状语从句/结果状语从句）sothat的结构为： so形容词或副词that从句,易错点3结构不一样so that/sothat的区别so,易错点3,so that引导结果状语从句（因此、所以）或目的状语从句（以便、为了）。sothat只可以引导结果状语从句（如此以至于）。,表达含义不一样,易错点3so that引导结果
33、状语从句（因此、所以）或目的状,易错点3,The speaker speaks loudly so that all of us can hear him. Maria likes this dress so that she decides to buy it at once.,The boy ran so fast that I couldnt catch him.,(目的状语从句),(结果状语从句),(结果状语从句),易错点3The speaker speaks loudly,【典例1】_ youve tasted them, you cant imagine how delicious
34、 the dishes are. A. Because B. Although C. When D. Unless,考查连接词。句意：如果你不尝一尝，你就想象不到这些菜有多美味！because因为，although尽管，when当时候，unless如果不，根据题意只能选unless。,【典例1】_ youve tasted them,【典例2】 As soon as he returns to hometown, he _ his grandparents. A. visit B. visits C. will visit D. visited,考查连接词as soon as的用法。句意：他一
35、回到家乡，就去看望他爷爷奶奶了。as soon as引导的从句“主将从现”，主句选一般将来时will visit。,【典例2】 As soon as he returns to,【典例3】David was _ careless _ he didnt find the mistakes in his test paper. A. too; to B. so; that C. such; that D. so; /,考查状语从句。句意：大卫如此粗心以至于他根本没有发现考试卷子中的错误。根据句意，前后两个句子为前因后果，故答案选B。,【典例3】David was _ careless,语法课件数词
36、,外研版九年级上英语各单元语法专项课件,考点一 基数词,考点一 基数词 数字基数词形式例词012各自独,数字基数词形式例词两位数（几十几）整十位数-个位数twent,【巧学妙记】巧记100以内的基数词基数词不难记，找清规律很容易；十二以内词各异，十三数到十九去，后加teen莫忘记；二十、三十至九十，正式之后有-ty；要说“几十几”，中间“-”别丢弃；a hundred是“一百”，请你记住莫大意。,【巧学妙记】巧记100以内的基数词,考点二 序数词,考点二 序数词 数字序数词变化规则例词1、2、3不,【温馨提示】(1)序数词要加定冠词the，但若序数词前有形容词性物主代词或名词所有格时省略the
37、。例如：Tom made the mistake for the third time. = It was Toms third time to make the mistake. 这是汤姆第三次出错。,【温馨提示】,(2)序数词前加a/an表示“又一，再一”。例如：Even though the Greens have 3 children, they still want a fourth one. 尽管格林夫妇已有3个孩子，可他们还想再要一个。(3) 序数词可以用阿拉伯数字和序数词拼写的最后两个字母简写。例如：1st第一，2nd第二，3rd第三，4th第四。,(2)序数词前加a/an表示
38、“又一，再一”。例如：,【巧学妙记】基数词变序数词规律基变序，有规律，末尾加上-th。一、二、三特殊记，面目全非要注意。八加th，九去e，ve要用f替。逢十改y为ie，后跟-th莫忘记。若想表示几十几，只变个位就可以。,【巧学妙记】基数词变序数词规律,考点三 数词应用,考点三 数词应用 名称表 达 法例 词年份月，日，,名称 表 达 法例 词时时在前，分在后，按基数词读10: 1,名称 表 达 法例 词编给东西编号时，序号在前用序数词，序号,名称 表 达 法例 词倍数英语用twice表示两倍，两倍以上,. 用所给数词的适当形式填空1. （遵义中考）I have tried three time
39、s, and the teacher asks me to have a _ (four) try. 2. (扬州中考)Even a child knows September is the _ (nine) month of a year. 答案： 1. fourth 2. ninth,. 用所给数词的适当形式填空,3. （烟台中考）Ive bought a present for my fathers _ (forty)birthday. 4. （肇庆中考）Mr. Smith lives on the _ (six) floor. 5. （上海中考） Climb up to the _ (
40、eleven) floor, and you can enjoy a better view. 答案： 3. fortieth 4. sixth 5. eleventh,3. （烟台中考）Ive bought a present,. 单项选择1. （六盘水中考）There are _ days in a week and Tuesday is _ day of the week. A. seven; third B. seven; the thirdC. seventh; three D. the seventh; three【解析】选B。句意：一个周有七天，星期二是一个周的第三天。第一个空用
41、基数词表示数量，第二个空用序数词表示次序，且其前加the。故选B。,. 单项选择,2. （东营中考）There are 60 students in my class and 44 of them use weibo very often. 44? That means about _ of your classmates are weibo users, right? A. half B. one thirdC. two thirds D. three quarters【解析】选D。考查数词的用法。half二分之一； one third 三分之一； two thirds三分之二； three
42、 quarters四分之三。由常识可知44大约是60的四分之三， 故选D。,2. （东营中考）There are 60 studen,3. （眉山中考）Eight _ students in our school are from countryside. A. hundreds B. hundred C. hundreds of D. hundred of【解析】选B。hundred，thousand，million等词与基数词连用时应该用单数形式，不能与of短语连用。故选B。,3. （眉山中考）Eight _ student,4. （恩施中考）He wrote his _ novel wh
43、en he was _. A. five; fifties B. fifth; fiftyC. fifth; fiftieth【解析】选B。句意：当他五十岁的时候，他写了他的第五部小说。第一个空用序数词表顺序，第二个空用基数词表年龄。,4. （恩施中考）He wrote his _,5. （怀化中考）July 1st of this year is _ birthday of CPC (中国共产党). A. ninety B. the ninety C. the ninetieth【解析】选C。句意：今年7月1日是党的第九十个生日。表达第多少个生日时用序数词，故选C。,5. （怀化中考）Jul
44、y 1st of this year,6. （衡阳中考）Kangkang is a school boy. He got a good gift on his _ birthday. A. fourteenth B. fortieth C. the fortieth【解析】选A。由school boy可知康康应该是十四岁，而不是四十岁。表达生日时用序数词，序数词与物主代词连用时，其前面的冠词要省略。故选A。,6. （衡阳中考）Kangkang is a school,7. （德阳中考） I dont believe that this _ boy can paint such a nice p
45、icture. A. five years old B. five-years-oldC. five-year-old【解析】选C。由“数词-名词-形容词”构成的复合形容词作定语时，其中间的名词用单数形式，故选C。,7. （德阳中考） I dont believe that,8. （铜仁中考）About _ of the students in Grade Nine this year were born in the _. A. three five; 1996B. three fifths; 1990sC. third fifth; 1997D. third fifths; 1990s【解
46、析】选B。分数的构成为分子用基数词，分母用序数词，分子如果大于1，则分母序数词一般都用复数形式，故选B。,8. （铜仁中考）About _ of the,9. （达州中考）If a=4, b=5, whats the answer to the question “a+2ab+1=? ” _. A. Forty-fifthB. Forty-fiveC. Twenty-threeD. One hundred and twenty-one【解析】选B。 考查基数词的表达。由题意a=4，b=5 可知 a+2ab+1=45。forty-five表示45。故选B。,9. （达州中考）If a=4, b=
47、5, whats,10. （烟台中考）Do you have enough students to clean the laboratory? No, I think we need _ students. A. another B. two others C. more two D. two more 【解析】选D。数词与more连用时放在more的前面，与another连用时放在another的后面。故选D。,10. （烟台中考）Do you have enough,状语从句,状语从句,一、状语从句概说,1、在句中作状语用的从句叫状语从句。2、状语从句可修饰谓语，非谓语动词、定语、状语或整
48、个句子。 3、引导状语从句的一般为连词，也可有词组。 4、状语从句可以在句首，也可在句中或句末。,一、状语从句概说1、在句中作状语用的从句叫状语从句。,5、状语从句按其用途可有时间、地点、原因、目的、结果、让步、方式、比较等九种。6、状语从句中的将来时，一般不用将来时。（一般将来时用一般现在时、将来完成时用现在完成时、过去将来时用一般过去时、过去将来完成时用过去完成时表示。),5、状语从句按其用途可有时间、地点、原因、目的、结果、让步、,二、重 点,1、时间状语从句 引导时间状语从句的连词有：when, before, after, as soon as, as, while, hardly
49、hadwhen, scarcely had when, no sooner had than, till / until, since, the moment, by the time 等，例如：,二、重 点 1、时间状语从句, 如果把no sooner, hardly, scarcely, barely置于句首，它所连带的这部分就要倒装，如： No sooner had she heard the news than she fainted. (She had no sooner heard the news than she fainted.), 如果把no sooner, hardly,
50、 scarce,2、地点状语从句 引导地点状语从句的连词有where, wherever (no matter where) 等，例如： Where I live there are plenty of trees. 我住的地方树很多。 Wherever I am I will be thinking of you. 不管我在哪里我都会想到你。,2、地点状语从句,Bamboo grows well where it is warm and wet.You may go wherever you like.有时，- where构成的复合词也可以引导地点状语从句，如：Everywhere they
