8AU5 Grammar2 动词不定式 动词不定式是一种非谓语动词形式，其结构为“to+动词原形”，其中to不是介词，而是动词不定式的符号，动词不定式没有人称和数的变化。动词不定式和其后面名词等构成不定式短语，在句子中可以用作主语、表语、宾语、补足语、定语、状语等。 动词不定式可以放在一些动词后面用作宾语，能以动词不定式作宾语的动词有：agree，begin，decide，fail，forget，hope，learn，plan，prepare，remember，try，want等。 (1)agree You must not agree to do it. 你们一定不能同意做这件事。 (2)begin I begin to study hard from now on. 我从现在开始努力学习。 (3)decide He wisely decided to tell the truth. 他明智地决定实话实说。 (4)fail He failed to pass the exam. 他考试没有及格。 (5)forget I am sorry that I forgot to buy the milk. 对不起，我忘了买牛奶。 (6)hope We hope to arrive around two. 我们希望能在两点钟左右到达。 (7)learn Where did you learn to cook 你在哪里学的烹调？ (8)plan They plan to build more roads. 他们计划修建更多的道路。 (9)prepare I am preparing to go home. 我准备回家。 (10)remember Remember to wash the dishes after breakfast. 吃过早饭记得洗盘子。 (11)try We should try to save water. 我们应设法节约用水。 (12)want He wants to see you right away. 他想立刻见你。 [巩固练习] (1)老师建议我们随身携带笔记本，以便写下我们所看到的。 (2)谢谢你同意让他参加游泳协会。 (3)蜜蜂总是记得按原路返回。 (4)他迫不及待地给他的家人看了这次旅行的照片。 答案：(1)The teacher advises us to take notebooks with us to write down what we see. (2)Thanks for agreeing to let him join the Swimming Society. (3)Bees always remember to come back the same way as they went. (4)He couldn't wait to show the photos of the trip to his family. [巩固练习] (1)The doctor advised my father ____(not smoke) any more. (2)Mother asked us_____ (not play) with fire. (3)I often see them_____ (play) computer games. (4)Just now I heard someone_____ (sing) in the park. (5)Mr. Wu agreed_____ (let) Jim _____ (join) the club. (6)Our English teacher encourages the students_____ (speak) English more. 答案：(1)not to smoke (2)not to play (3)play (4)sing (5)to let, join (6)to speak [经典例题] (1)Julia is fat, so her father always makes her _____ a walk after supper. A. taking B. take C. to take D. took (2)The mother was worried the baby kept _____. A. because, crying B. because of, to cry C. because of, crying D. because, cried (3)We didn’t stop _____ until we reached the end. A. having a rest B. to have a rest C. to having a rest D. have a rest (4)We should do what we can _____ the hunters _____ the animals. A. to prevent; killing B. to prevent; to kill C. prevent; killing D. prevent; to kill (5)—I’m sorry I _____ my homework at home. —That’s all right. Don’t forget _____ it to school this afternoon. A. forgot, bringing B. left, to bring C. left, bringing D. forgot, to bring (6)She wasn’t a child _____ and learnt_____ after herself. A. any more; looking B. no more; looking C. any more; to look D. no more; to look (7)—Kids, remember_____off the lights when you leave the classroom. —OK, we will. A. to turn B. turning ... ...
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