中考英语_动词不定式学案.ppt

注意 不定式作主语，整个结构看成一个整体，谓语动词用单数形式。 不定式作主语，为了保持句子平衡，常用it作形式主语，to do 结构放句末做真正主语。句子结构为： It +be+形容词+（for/of sb) + to do sth. It +be+形容词+for sb + to do sth. 若形容词是描述事物的性质，用for sb. 这类形容词有：difficult, easy, important, dangerous, possible等。 例：对我们来说，完成这项工作很困难。 It is difficult for us to finish the work. 对他来说，说英语很简单。 It +be+形容词+of sb + to do sth. 若形容词是描述人的性格品质的，用of sb. 这类形容词有：kind ,nice, good, clever, careless, polite等。 例：你真聪明，计算出这道 数学题。 It is clever of you to work out the math problem. 你帮我真是太好了。 链接中考 （2015，石家庄裕华区一模）I think it difficult ___ a car in the street. A drives B driving C to drive D drive （2015，丹东）It is difficult for me ___ the work in such a short time. A finish B finishing C finished D to finish 链接中考 （2014，河北）Don‘t forget ___ thanks when other people help you . A accept B to accept C say D to say 链接中考 (2013,河北）The children decide ___ this school yard this Friday afternoon. A clean B to clean C cleaning D cleaned 链接中考 （2012，河北）—— a book in the library, enter a key word into the computer. A To find B Find C To write D Write 链接中考 （2011，河北）Whenever you have a chance ___ English, you should take it. A speak B to speak C spoke D speaks 链接中考 （2015，河北）--It is important for us to know___ all the subjects. ---Yeah, group work is my favorite. A how to study B when to study C which to study D what to study sb. + be done + to do sth. e.g He is often heard ______ the song. They were made _______ day and night. to sing to work Ⅵ. be + happy, glad, pleased angry, sorry, lucky slow, quick, careful ready, nice + to do sth. e.g I am sorry to hear that. He is wrong to say so. I was very lucky to get a copy so cheap. “我这么便宜地买到一本,真是幸运极了。 ** quick to learn sth. ** 学某事学得快 Be careful not to fall off the ladder.当心别从梯子上掉下来。 He is ready to help . 愿意帮忙 Ⅶ. e.g. I found it ve