(
课件网) 非谓语动词 判断下面句子哪些是正确的？ Tom was lost in thought, Tom almost ran into the car in front of him. × 逗号不能连接两个句子 Tom was lost in thought. Tom almost ran into the car in front of him. √ Tom was lost in thought, so Tom almost ran into the car in front of him. √ 连词可以连接两个句子 Being lost in thought, Tom almost ran into the car in front of him. √ 一个句子有且只能有一个谓语动词，如果出现多个动词，第二个动词起需要变成非谓语动词 非谓语动词有哪些基本形式？ 不定式 动名词 现在分词 过去分词 to do doing done 表目的，表将来 它们各自功能是什么？ 表主动，表进行 表被动，表完成 1.作主语（to do/doing） （1）Reading books every day is my hobby. To read a book today is my today’s hobby. V-ing形式做主语，表示经常性、习惯性动作 to do形式做主语，表示具体、一次性动作 注意：不定式作主语，考试时候常常有一次性的时间状语提示 （2）Seeing (be) believing. Refusing invitations (be) not always easy. 动名词作主语，谓语动词用第三人称单数形式 is is 1.作主语（to do/doing） （3）it作形式主语 It is impossible to get enough money. It will take a whole day to get there by car. it作形式主语，后面动词填to do It+is/will .... to do(v.) sth 特殊情况：It is no use doing sth. It is no good doing sth. It’s a waste of time doing sth. It is no fun doing sth It+is.... doing(v.) sth 中间...为不好的事情 坏事 坏事 坏事 坏事 2.作宾语（to do/doing） ①介词后 investigate （v.）调查 He spends quite a long time in (investigate) the accident. He spends quite a long time on (investigate). 方法：介词后如果所给的动词和后面的单词可以构成一个短语，此时用V-ing形式 介词后如果所给的动词后面接介词短语，但不能构成动词短语，此时将动词改为名词形式 investigating investigation ②to 家族 to do to doing All the climbers need (bring) a bottle of water. I am looking forward to (arrive) at the meeting on time. I am looking forward to (arrive). 方法：如果考试时候题目已经给了to，后面填的动词是V-ing形式，如果没有给to情况下，后面动词填to do to后如果所给的动词和后面的单词可以构成一个短语，此时用V-ing形式 to后如果所给的动词不能和后面的单词可以构成一个短语，此时将动词改为名词形式 to bring arriving arrival ③考察动词后面接宾语的情况 动名词和不定式后接宾语意思不同： 例如：forget doing sth 忘记做了某事 forget to do sth 忘记去做某事 remember doing sth 记得做过某事 remember to do sth 记得去做某事 规律：doing做过 to do未做 特殊情况： mean to do sth 打算做某事 mean doing sth 意味着某事 can’t help to do sth 不能帮忙做某事 can’t help doing sth 情不自禁做某事 be used to doing sth 习惯做某事 be used to do sth 被用来做某事 used to do sth 过去常常做某事 ④I love (drink) tea. But today I love (drink)some cola. to do表示一次性，具体性动作；doing习惯性，经常性动作 考试时候，to do后面有时间状语提示 ⑤it作形式宾语 I feel it my duty (help) you. I once thought it impossible for us (finish) the job in such a limited time. 规律：it放在形式宾语（动词后）位置，to do永远放在句末。 sb.+v.+it+adj./n.+ to do (v.) drinking to drink to help to finish 3.做表语（to do ... ...
