八年级下英语第3单元单词解析.ppt

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1、单词讲解,sweep,1.swept;swept2 sweep the floor;sweep away 扫走3.I sweep the floor every day.Please clean the room.,mess,The room was in a mess.=There was a mess in the room.2.You can make the cakes in the kitchen,but you can not make a mess.3.You messed up my life.,throw,1 threw;thrown2 throw about 乱扔 thro

2、w at 扔向 throw sth to sb/throw sb sth 将某物扔给某人,neither,作形容词或代词,意为“两者都不的”Neither answer is correct.Neither of+复数名词/代词 两者都不 Neither of the students is in the classroom.Neither nor 两者都不(就近原则)Neither you nor he goes to the park.Neither+be 动词/情态动词/助动词+主语 也不 He does not like apples.Neither does he.They can

3、not swim.Neither can I/Me neither,She is not working.Neither is he.I cant swim.Neither can I.=Me neither.They didnt do homework.Neither did I.He has not done his homework.Neither have I Neither has she.have/has+过去分词,pass,1 为动词,“经过”过去式 passed She passed me in the street.她在街上从我身旁经过。注:past 也表”经过“,但是为介词

4、2 pass sb sth/pass sth to sb 把某物传给某人3 pass on 传递,when 和while的用法区别,when引导的时间状语从句中的动词可以是非延续性动词,也可以是延续性动词,而while从句中的动词必须是延续性动词。判断对错She was crying when her mother arrived home.She was crying while her mother arrived home.,由when引导的时间状语从句,主句用过去进行时,从句应用一般过去时;如果从句和主句的动作同时发生,两句都用过去进行时的时候,多用while引导,while 也可表转

5、折,While we were talking,the teacher came in.They were singing while we were dancing.I am ugly while she is pretty.,改错 1.She is fat but I am thin.2.It was raining while we arrived.3.I dont know them well,while they are my neighbors.,waste,1.Its a waste to throw away all this food.把这些食物都扔了是浪费。2.We sho

6、uldnt waste a drop of water or a grain of rice.我们不应该浪费一滴水一粒米。,provide,provide sb with sth 为某人提供某物provide sth for sb 为某人提供某物provide for sth 为某事做好准备provide for sb 赡养某人provide that+从句 规定;预先约定,anyway,而且;加之I dont want to see the film and anyway I havent got any money.我不想看那部电影,再说我也没钱。,depend,1.depend on/u

7、pon视而定;决定于 He depends on you to help him.他指望你帮他.2.It(all)depends那得看情况,可单独使用,或位于句首 It all depends on how you do it.It depends where you live.3.dependent 依赖的 independent 独立的,since,1.因为,既然 Since he says so,it must be true.既然他这么说,那就一定是真的。Since you like computer,I will give it to you.2.since自以来+完成时 It is

8、+一段时间+since+一般过去时 I have been to Beijing twice.It is ten years since we met him last time.,neighbor,可数名词,neighborsNeighborhood 附近,邻近一带;街坊,四邻He moved into the neighborhood recently.他最近搬到了这一带。.,drop,1 drop in 顺便来访 2 drop out 退学 3 名词:滴;水珠 a drop of water 4 drop:可做及物动词,也可做不及物动词 The temperature drops bel

9、ow zero at night.夜里温度降到零度以下。fall:只作不及物动词 侧重地心引力或没有握住等原因掉下 侧重于重力作用或失去平衡而摔倒Its fair to say that说句公道话fair-unfair,Could you please+动词原形?Could you please tell me the way to the bus stop?Could you please not stand here?dishwash the dishes=do the dishesa dish of fish 一盘鱼(指菜,菜肴,食物)What is your favorite dish

10、?你最喜欢吃的菜是什么?,get a ride 搭车 give sb a ride 让某人搭便车 He always gives me a ride to the school.他常让我搭便车去学校。work on.创作,画,做,写 从事某项工作 用于进行时和完成时 He is working on a new book.他在写一本新书。work at学习,研究,写作,致力于 从事工作的性质 He has worked at this subject for many years.,be angry with sb 生某人的气 He was angry with his students fo

11、r not finishing the homework.for:说明生气的原因be angry at sth 因而恼怒/生气 I was very angry at what he said.3.be angry about=be angry at,1 to ones surprise:令人惊奇的是=主语+be surprised To her surprise she found money on the floor.=She was surprised to find some money on.in surprise 惊奇地,用来修饰动词 They looked at each oth

12、er in surprise.be surprised at We are very/too surprised at the news.,as soon as一就 asas possible=asas sb can/could You have to finish the work as soon as possible.=You have to finish the work as soon as you can.2 do chores=do the housework I dont like doing chores.,1 cloth:衣服所用的“布料”;衣料 clothing:服装的总

13、称,泛指服装或特指某类衣服 范围比clothes 广 clothes:常用作复数形式;统指衣服 dress:不可数名词,统指外面的衣服;可数名词,连衣裙2.invite sb to 邀请某人 invite sb to do sth 邀请某人做某事,1 make sb do sth=let/have sb do sth 让某人做某事 sb be made to do sth 某人被迫做某事2 Never mind=It doesnt matter 没关系 change ones mind 改变主意 make ones mind to do sth 下定决心 set ones mind to do

14、 sth 专注于 keep in mind 记在心里 come into ones mind 计上心来,浮现在脑海里,1 as result 结果,因此 as a result of 由于的原因2 according to根据 According to the TV,it will be fine tomorrow.根据电视报道,明天将会是晴天。3 pros and cons 赞成与反对4 It is adj for sb to do sth.对于而言,做某事 It is adj of sb to do sth It is easy for me to learn English.It is very nice of you to help me.,

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