it的用法课件 2024届高三英语一轮复习

it 的用法 it 的用法 代词it常用来指代前文提到的事或物，还用在各种特殊句型中。 1. it用作形式主语 （1）It + be + adj. + 主语从句 It is clear（obvious / true / possible / certain…）+ that / whether…从句… It is essential（important / necessary / right / strange / natural…）+ that从句…（should + 动词原形） It is uncertain whether he can come to Jenny’s birthday party or not. It is important that we should learn English well. it 的用法 代词it常用来指代前文提到的事或物，还用在各种特殊句型中。 （2）It + be + 名词词组 + 主语从句 It’s a pity that you missed the exciting football match. （3）It + 不及物动词（seem / appear / happen / turn out…等）+ 主语从句 （看来 / 似乎 / 碰巧 / 证明是） It seemed that he didn’t tell the truth. It happened that I was out when he called. it 的用法 （4）It’s + adj. + for / of + sb. + to do sth 特别注意：如何选择介词for 或of？ 如果该句型中的形容词是用来说明“某人”的性格或品质（如kind, good, nice, wise, stupid, clever, foolish, silly, impolite, selfish, considerate ...）时，介词用of（“某人”和这些形容词可以构成主系表结构），其它情况介词用for。 It + be + adj. (easy / difficult / hard / important / possible / necessary...) + for sb + to do sth It + be + adj. (kind / nice / clever / stupid / foolish / silly / impolite / selfish / considerate ...) + of sb + to do / have done sth. It is unwise of you to give children whatever they want. 孩子需要什么你就给什么是不明智的。 It is necessary for you to turn to your teachers when in trouble. 你遇到困难时求助老师是必要的。 it 的用法 （5）It + be + n. & adj. (no good / no use / useless / senseless / a waste of time (money) /…) + v.-ing It is no use arguing about the matter with him. 和他争论这件事没有用。 （6）It + took / will take (sb) + 时间（或金钱）+ to do sth. It took the workers almost three years to finish building the dam. 工人们花了将近三年的时间才把大坝建成。 it 的用法 2. it用作形式宾语 主语 + find / make / consider / feel / think / believe / imagine / regard / suppose… + it（形式宾语）+ adj.& n. + to do sth.或句子（真正宾语） Remembering more words and expressions, you will find it easier to read and communicate. = Remember more words and expressions, and you will find it easier to read and communicate. 记住更多的单词和表达方式，你会发现阅读和交流更容易。 it 的用法 3. it在特定句型中的运用 （1）It (never) occurred to / came to /