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t refuses _____ talking while she works. A. working。 動名詞主要起名詞作用 , 在句中擔任主語 、 表語 、 賓語和定語 。 2020年江蘇卷 Is Bob still performing? I’m afraid not. He is said _______ the stage already as he has bee an official. A. to have left B. to leave C. to have been D. to be left 2020年四川卷 The Chinese are proud of the 29th Olympic Games _____ in Beijing in 2020. A. hold B. holding C. held D. to be held The book is said to have been translated into many languages. 當不定式的邏輯主語是不定式所表示 的動作的承受者時,不定式要用被動語態(tài)。 No one can tell me where to find John. When to the exam is still unknown. The problem is how to get enough money. 不定式的進行式 、 完成式和被動式 ① 不定式的進行式: to be + Ving, 用來表示謂語動詞動作發(fā)生時 , 不定式的動作正在進行 。 這種句式中的常用形容詞有: right, wrong, brave, careful, careless, clever, wise, stupid, cruel, foolish, good, honest, kind, nice, silly等 。 To tell you the truth, I hate you. 8. 作同位語 The order to start the general attack soon came. 不定式復合結構 :以 it為形式主語或形式賓語引導的復合結構 , 如前面的形容詞指行為的性質(zhì)就用: for sb. to do 作主 、 表 、 賓 、 定 、 狀等 。 ① so as to (不能放句首 ), to, in order to作目的狀語 2020年遼寧卷 22題: All these gifts must be mailed immediately _____ in time for Christmas. A. in order to have received B. in order to receive C. so as to be received D. so as to be receiving ② 在 so…as to, such…as to, only to … 結構中不定式作結果狀語,其中 only to… 用于表示意想不到的結果。 She was the only person to survive after the earthquake. Tips: 不定式在作定語時 , 有時與被修飾的名詞有意義上的 主謂關系 、 同位關系 、 動賓關系 ,如果該不定式是不及物動詞 , 它后面需要加上適當介詞 。以下幾類情況常用不定式作定語: She made a decision ______(go)abroad for a year. to write to go ② 常與不定式搭配的形容詞 , 其 同源名詞一般可以用不定式作定語 。 5. to do as an attributive ① 能帶不定式作賓語的動詞 , 其同源名詞可以帶不定式作定語 。 help, observe 等 , 但是句子變成被動語態(tài)后 , 不定式成為句子的主語補足語 ,需帶 to. I would rather ____ (go) swimming. You had better ______ (tidy) your bedroom. Why not ______ (visit) your cousin in Japan? go tidy visit Tips:有些句型后面須接 不帶 to的不定式。 hear,watch,notice,feel。 We have no choice but to wait. Cf. We can do nothing but wait. 4. to do as an object plement You should get them to help you . (They will help you.) They believed him to be honest. (He was honest.) (常用謂語動詞有 : get,ask,forc