八年级下册英语重点语法归纳.ppt

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1、1.忙于 be busy doing sth,/be busy with sth 忙于做某事 Im busy preparing for my birthday party these days.2.Would you help me plan a trip?请你帮我定个旅行计划好吗?Would you 比will you 语气更加客气,委婉,类似还有could you Could you come along with us?3 make sure 确信,确保 Make sure all the windows are closed before you leave.4.Its about

2、two and a half hours by bike.骑自行车大约要2个半小时。(提问:How far距离)Two and a half hours=two hours and a half,4.Its to the east of Yongling.它在永陵的东面。to the+方位词+of(表示互不接壤)Japan is to the east of China.on the+方位词+of(表示相互接壤)Fujian is on the south of Zhejang.in the+方位词+of 表示在某一范围内的地区 Beijing is in the north of China

3、.5.They walked into Dingling and were surprised at the wonders.他们走进定陵,对那里的奇观感到很惊奇。be surprised at 对感到很惊奇 be surprised to do sth 惊奇地做某事 She was surprised to find she was lost.,6.so they had to look for space to park their bikes 他们不得不寻找停自行车的地方 space 空间 Can you make space for this old man?7.While the c

4、rowd was pushing him in different directions,someone stepped on his toes.ones direction 朝着某人的方向 step on ones toes踩了某人的脚 step on sth 踩某物 Dont step on the flowers and grass.,8、notice sb do sth 注意某人做了某事 notice sb.doing sth.注意某人正在做某事9.They were so lovely that we couldnt help playing with them.cant help

5、doing sth 忍不住做某事 When I heard the funny news,I couldnt help laughing.10.We even asked the guard for help.我们甚至向保安寻求帮助。ask sb for help 向某人求助,1I think traffic in Beijing is crazy.我认为北京的交通很拥堵。traffic 是不可数名词 2.If people obey the traffic rules,there will be fewer accidents.如果人们都遵守交通规则,交通事故将会减少。If we break

6、 the traffic rules,it will be dangerous and we will get a fine.如果人们违反交通规则,将很危险,我们会受到处罚的。这是if 引导条件状语从句,主句用一般将来时,从句用一般现在时。3I feel a little more confident.我感到自信多了。more confident 是比较级 4.It can help us save energy and avoid pollution.这样可以节约能源以及避免空气污染。avoid sth/doing sth 避免做某事 You should avoid making the

7、mistake like that.,5.It warns us to be more careful.Warn sb(not)to do sth 警告/提醒某人做某事 He warned her to keep silence.Warn sb about sth 提醒某人某事 6.However,his way to success didnt go well.然而,他的成功之路并非一帆风顺。The way to success 成功之路 success in doing sth 在成功 7Like the other challenges in his life,Lance faced i

8、t head-on.像面对生命中其他挑战一样,兰斯迎头面对。8It seems impossible to beat him.打败他似乎是不可能的。beat sb 打败某人 win a game/match/a gold medal It seems+adj+to do sth 做某事似乎 She always seems to be sad.,时间状语从句,引导词:(1)when,while,as 当时候.when 后可跟短暂性动词也可跟延续性动词;while 后跟延续性动词;as 多用于口语,强调同一时间,或一前一后。The students were talking in the cla

9、ssroom when the teacher came in.=While the students were talking in the classroom,the teacher came in.学生在教室里谈话时,老师进来了。Mother always sings as she cooks dinner for us.妈妈总是边给我们做饭边唱歌。,(2)not until 直到才,主句谓语动词常用短暂性动词。I wont leave here until the rain stops.He didnt raise his head until someone called his n

10、ame.(3)after 在之后,before 在之前,as soon as 一就 I went to sleep after I finished my homework.=I finished my homework before I went to sleep.As soon as the three boys saw each other,they all jumped up happily.,2.时态(1)当主句为一般过去时时,从句常用过去的某种时态。While I was doing my homework,the telephone rang.(2)当主句的时态为一般将来时,从句

11、用一般现在时。I will call you as soon as I get to Beijing.,1.While you were enjoying your trip,I was busy preparing for my exams.2.He didnt raise his head until someone called his name.3.While the crowd was pushing him in different directions,someone stepped on his toes.4.As soon as the three boys saw each

12、 other,they all jumped up happily.5.After they rode their bikes for two and a half hours,Kangkanf,Michael and Darren arrived at the Ming Tombs.6.As they were exploring happily,the crowd became larger and larger.,1.条件状语从句由if(如果),unless(除非)等 引导的,主句用一般将来时。主句 Will(must,should,may)if从句 一般现在时(表将来时含义)如:I wont go if he doesnt go.We will pass the exam if we study hard.We wont pass the exam unless we study hard.2.祈使句+and/or 引导的结果句,祈使句在意义上相当于条件状语从句。如:Hurry up,or youll be late.=If you dont hurry up,youll be late.Study hard,and you will pass the exam.=If you study hard,you will pass the exam.,条件状语从句,

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