中考复习——动词不定式课件1

1、八年级下八年级下Unit6 动词不定式用法归纳动词不定式用法归纳 Complete sentences. 1. Spring is the best season _.（春天是旅行最好的季（春天是旅行最好的季 节节 ） 2. My mother often asks me _ early.(我的妈妈总是让我的妈妈总是让 我早点起床）我早点起床） 3. _ the computer is a problem.（如何使用这台（如何使用这台 电脑是一个问题）电脑是一个问题） 4. We began_ English six years ago.（我们六年前（我们六年前 开始学英语）开始学英语） 5.

2、 She has no paper _.（她没有纸写作业）（她没有纸写作业） 6. The teacher told her students in public.(老师让学生不要在公共场合大喊大叫）老师让学生不要在公共场合大喊大叫） to travel to get not to shout How to use to learn to write on 动词不定式的主要用法动词不定式的主要用法 一、动词不定式在句子中不能独立一、动词不定式在句子中不能独立 充当谓语充当谓语, 没有人称和数的变化。但是没有人称和数的变化。但是 不定式有被动语态。不定式有被动语态。 二、动词不定式是由二、动词不

3、定式是由“to+动词原形动词原形” 构成构成(有时可以不带有时可以不带to)。动词不定式的。动词不定式的 否定形式是否定形式是“not+动词不定式动词不定式” 。 1. To see is to believe. 2.The teacher asks us not to be late for school. 3.My teacher didnt tell me what to do next. 三、动词不定式具有名词、形容三、动词不定式具有名词、形容 词和副词的特征，可在句中用做词和副词的特征，可在句中用做 多种句子成分。多种句子成分。 1.To go in for sports helps

4、 you stay fit. 2. It helps you stay fit to go in for sports. 3.It is dangerous to swim in the deep sea on your own. 返回 主语主语: 常置于句末常置于句末, 而用而用it代替其做形式主代替其做形式主 语。语。 1.would you like to see my photos? 2.Kevin planned to visit his uncle。 3.I want to make a room reservation. 动动 词词 宾宾 语语 此种情况可按固定搭配或句式去记。此

5、种情况可按固定搭配或句式去记。 类似用法的词还有类似用法的词还有:start, agree, hope, begin, decide, agree, love, like, hate, prefer 等。等。 1.His wish is to become a scientist 2.Our duty is to protect the environment. 3.The first important thing is to save the soldiers lives. 返回 表表 语语 放在连系动词放在连系动词be后面后面 动词不定式在句中作表语时动词不定式在句中作表语时, 通常对连

6、系动词通常对连系动词 前面的名词进行诠释说明。前面的名词进行诠释说明。 1.He is the first person to sail around the world. 2. I have a lot of work to do 3. I want something to eat 返回 定定 语语 动词不定式若在句中作定语动词不定式若在句中作定语, 常放在被修饰常放在被修饰 的名词、代词之后。的名词、代词之后。 I have a small bedroom to live in Have you got some pens to write with？ 如果动词不定式和前面所修饰的词构如

7、果动词不定式和前面所修饰的词构 成动宾关系成动宾关系, 且动词是不及物动词且动词是不及物动词, 切切 记不要忘掉后面的介词。记不要忘掉后面的介词。 1.I come to see you 2. He runs fast in order to get there in time 3. They brought in photos of their families for me to look at. 返回 作作 状状 语语 目的状语目的状语: 放在放在go, come, use, live, in order等等 词后面词后面. 原因状语原因状语: 放在放在sorry, glad, surp

8、rised, disappointed， excited等词后面。等词后面。 E.g： I am glad to see you here I am sorry to trouble you 作结果状语作结果状语 The room is large enough to hold 1000 people 1. I asked a friend to read it to me 2. I tell him not to go there by bus 3. Edisons mother taught him to read and write 返回 宾语补足语宾语补足语 （1）.在及物动词后要带在

9、及物动词后要带to： tell, ask, want, order, teach, invite, warn, wish, help, get, wish, 等词后面常接不定式作等词后面常接不定式作 宾补。宾补。 (2) 在表示感觉、让某人做某事等意义在表示感觉、让某人做某事等意义 的动词后要接不带的动词后要接不带to 的不定式作宾的不定式作宾 补。如：补。如： see, watch, hear, feel, make, let, have, observe, notice, help等等 E.g：The boss makes them work 16 hours a day I heard

10、her sing in the next room 若变成若变成被动语态被动语态, 在上述结构中在上述结构中, 不不 定式符号定式符号to要加上要加上。 如如: They are made to work 16 hours a day by the boss She was heard to sing in the next room “疑问词不定式疑问词不定式”用法用法 不定式前可带不定式前可带what，who，which， where, when, how, whose, 等疑问词等疑问词, 这种这种 不定式短语在句中作宾语、宾语补足语、不定式短语在句中作宾语、宾语补足语、 主语等。主语等

11、。 例例: I dont know what to say now. He didnt tell me where to go. How to use the computer is a problem. 返回 根据句意根据句意, 用括号内所给动词的适当形用括号内所给动词的适当形 式填空。式填空。 1. Its time for us _ (have) supper 2. Would you like _ (go) shopping with me？ 3. It took us half an hour _ (work) out the problem to go 主语主语 to go 宾语宾

12、语 to work 主语主语 4. He is old enough _ (join) the army 5. I feel strange _ (have) a twin sister 6. I am very glad _ (meet) you here 7They prefer _ (stay) at home rather than go out to join 结果状语结果状语 to have (原因状语原因状语) to meet (原因状语原因状语) to stay 宾语宾语 8. We saw them_ (come) into the room just now 9. What

13、 he said made me_ (feel) sorry 10. I am sorryI forgot_ (tell) you the news 11. His plan is _ (spend) a few days in the mountains come 宾补宾补 to feel 宾补宾补 to tell 宾语宾语 to spend 表语表语 12. Have you got anything _ (say)? 13. Have you decided which one _ (choose)? 14. Do you know when_ (start)？ 15. He is too wea