中考重难点语法精练(四)

中考重难点语法精讲（四） ----非谓语动词和连系动词一、非谓语动词（一）动词不定式 动词不定式可以在句中作主语、表语、定语、宾语、宾语补足语、

中考重难点语法精讲（四） ---- 非谓语动词和连系动词 一、非谓语动词 （一）动词不定式 动词不定式可以在句中作主语、表语、定语、宾语、宾语补足语、状语等成份． 1 ．不定式作主语．例如； To smoke is abad habit.To play football is interesting. it 当不定式作主语时，通常用作形式主语而把不定式放于句末，来保持句子平衡．例如： It takes me two hours to finish my English homework. for 在这种结构中一般是由引导其 It’s important for us to learn aforeign language. 逻辑主语．例如：但如果形容词用来说明 ofnice, kind, right, wrong, foolish, rude 主观感情或态度，则用介词．常用的形容词有：等．例 It’s nice of you to give me so much help. 如： 2 ．不定式作宾语．例如： hope, decide, ask, expect, plan, wish, want 常用动词不定式作宾语的动词有：等．例如： Ihope to see my penfriend as soon as possible. itit 当不定式作宾语时，通常还可以用作形式宾语，真正的宾语是不定式．常用作形式 find, think, makeI found it difficult to get on with him. 宾语的动词有：等．例如： 3 ．不定式作宾语补足语．例如： ask, want, invite, get, help, wish, like, 很多动词后面都可以用不定式用宾补．例如： expect, encourage, order, warn, tell, prefer, teach 等． The teacher encourages us to answer the questions in English. 例如： make, have, letsee, watch, notice, hear, feel 但使役动词和感官动词等动词后接不定 totohelpto, 式作宾补，不定式不带，但在转换为被动语态时要加上．而动词后不定式可以带 to 也可以不带． The story made me think of the past. 例如： These boys were often made to do alot of work in old days. Iwatched him come out of the back just now. 4 ．不定式作定语．例如： They had no time to go to the cinema. Ihave some funny stories to tell you. 5 ．不定式作状语．例如： 不定式常可用作状语，修饰动词，表示行为目的、结果、原因．例如： Iopened the window to breathe the fresh air.