2020上海牛津版高中自招语法专题第8讲-不定式.docx

专题第8讲： 不定式 学习目标 1. 非谓语动词2；2.一模首字母练习；3. 综合练习 教学内容 动词不定式 1. 不定式作主语和表语口语中常用it作形式主语。 2. 若说明不定式动作对于执行者的影响，常在不定式前加for sb.。 3. 但是以形容词作表语来说明主语的行为品质时（如kind，goodnice，wise，clever，silly，wrong9 right, foolish, stupid, careless, considerate, rude, naughty, polite, agreeable等），不定式前加of sb.。 4. 不定式作表语，表示目的、结果、同意、命令、安排、决定、劝告等意义。 专项练习 1. How the problem will be discussed some time later this afternoon. A. to solve B. to be solve C. being solved D. solving 2. Is it necessary the geography book at once? A. for her to return B. that she must return C. her returning D. of him to return 3. It forty-five minutes there by bus. A. costs... to get B. costs... getting C. takes... to get D. takes... getting 4. This grammar point is later. A. to explain B. to have been explained C. to be explained D. to be explaining 5. Tom seemed the good news. A. to learn B. to be learning C. to have learned D. to have been learning ii. 不定式作宾语 1. 只能以不定式作宾语，而不能以动名词作宾语的动词有： （“希望”干）wish, hope, expect, long, desire; （早“打算”）plan, mean, prepare, attempt, intend; （“同意”“否”）agree, consent, refuse, decline; （“寻”“问”看）seek, ask, beg; （“选”“定”了）choose, decide, determine, promise; （“尽”“自愿”）manage, volunteer, tend; (“称”“失败”）claim, fail; （“敢”“装蒜”）dare, pretend 2. 可用于“动词 + it+形容词／名词+to do sth．”结构中的动词有feel, find, make, think, believe, consider等。 3. 以动词不定式作宾语的形容词有happy，glad，pleased，sure，ready，anxious，eager，free，afraid，willing等。 4. 有些介词后也可以不定式作宾语，如介词but，about，except，save等。 专项练习 1. The flu is believed by viruses that like to reproduce in the cells inside the human nose and throat. A. causing B. being caused C. to be caused D. to have been caused 2. There is a new problem involved in the popularity of private cars road conditions need A. that. .. to be improved B. which ... to be improved C. where. . . to be improving D. when.. . improving 3. Remember the magazine when you have finished reading it. A. putting back B. having put back C. to put back D. will put back 4.