八年级英语上册 Unit 3 A day out Grammar B and C 牛津版

1、Unit 3 Grammar C and D,动词不定式,Grammar B,动词不定式 的构成: to+动词原形,动词不定式的用法,动词不定式具有名词、形容词和副词的特征。因此在句中可以做主语、表语、宾语、宾语补足语、定语和状语,动词不定式作宾语,后面能接不定式作宾语的动词有agree, ask, choose, decide, forget, hope, learn, want, wish, would like等。如： We hope to get there before dark. 我们希望天黑以前到那儿。 The girl decided to do it herself. 那个姑

2、娘决定自己做那件事,A trip to South Hill,Do exercises on Page 44 and then check the answers,动词不定式作宾语的注意事项,1. 有些动词既可跟不定式作宾语, 也可 跟动名词作宾语，但含义不同： remember to do sth 记住要做某事； remember doing sth记得曾经做过某事 forget to do sth 忘记要做某事 forget doing sth 忘记曾经做过某事,stop to do sth 停下来去做某事 stop doing sth 停止做某事 go on to do sth 继续做另

3、一件事 go on doing sth 继续做原来在做的事 I remember seeing you somewhere before. 我记得以前在哪儿见过你。 Please remember to turn off the light when you leave. 离开时请记得关灯,2. 不定式作宾语时，如带有宾语补足语,则要把不定式放到后面，用it作形式宾语，构成“主语+动词+it+宾补(形容词、名词)+不定式”结构。如： He found it very difficult to get to sleep. 他发现入睡很难,动词不定式作宾语补足语,1. 后面能接不定式作宾语补足语的

4、动词有：ask, order, teach, tell, want, wish, help等。如： I want both of you to go. 我要你们俩去。 We helped her (to) repair her bike. 我们帮助她修理自行车,2. 使役动词let, have, make及感官动词 see, watch, notice, hear, feel等用不带to的不定式作宾补。如： Lets have a rest. 我们休息一会吧。 I saw him e in. 我看见他进来了,感官动词后既可跟不带to的不定式作宾补,也可跟v-ing作宾补，前者表示动作的全部过程

5、已结束；后者表示动作正在进行。如,I saw him e downstairs. 我看见他下了楼。 (说明他下楼了这件事) I saw him ing downstairs. 我看见他在下楼。 (说明他下楼时的情景,动词不定式的否定形式,动词不定式的否定式是在to前加not；不带to的不定式则在动词前加not。如： Zhang Ming asked me not to stay at home all day. 张明要我不要整天呆在家里。 My mother let me not do it by myself. 妈妈让我不要独自做这件事,Grammar CReflexive pronouns

6、,人称代词分为主格、宾格、形容词物主代词、名词性物主代词以及反身代词。反身代词也叫自身代词。要想掌握反身代词其实并不难。下面将反身代词的构成和用法介绍给大家,人称代词,物主代词,反身代词,反身代词的用法,1. 反身代词不能作主语， 但是它可以作主语的同位语，放在主语后或句末。如： 我亲自去了电影院。 误：Myself went to the cinema. 正：I went to the cinema myself,2. 反身代词可以作宾语的同位语。如： I wish I could hear Beethoven himself play this music. 3. 反身代词可以作介词的宾语

7、。如： I mended the bike by myself. She said to herself: “whats wrong with my eyes,4. 反身代词作动词的宾语。一般放在这些动词后面： enjoy, help, hurt, teach, wash, look after, get, dressed, buy等。如: Did you enjoy yourselves at the weekend? He teaches himself English at home. “Help yourselves to some fish.,5. 反身代词可以作表语。如: I am not quite myself today. He doesnt seem himself this morning,1. My bike is broken. May I use _ (you)? 2. I taught _ (I) Russian for three years. 3. Help _ (you) to some fish, children,yours,myself,yourselves,Exercise,4. She fell off the bike and hurt _ (she). 5. We