动词不定式的用法归纳优秀课件
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饰主语的定语从句中）有实意动词do时，作表 语的动词不定式省略to。 ❖ All I want to do now is fill my stomach.
4．作宾语补足语 •He asked me to go with him. •He didn’t allow me to go out alone. 【注意】在感官动词（see, hear, feel, listen to , notice, watch, observe等）和使役动词let, have， make 后的补足语中，不定式不带to。但这类句子变 成被动语态时，必须带to。
3．作表语
❖ 不定式作表语不定式作表语常表示解释或表将 来的动作，主语常常是表示意向、打算、计划 的词，如wish, idea, task, purpose, duty, job.
❖ To teach is to learn. ❖ My job is to help the patient. ❖ My ambition is to become a teacher. ❖ The old man seems to be sick. ❖ 【注意】如果在主语中（通常在主语从句或修
1. 作主语 2. 作宾语 3. 作宾语补足语 4. 作定语 5. 作状语 6. 作表语 7. 作Leabharlann Baidu立成分 8. 与疑问词等连用
1 不定式作主语 (subject)
谓语动词用单数形式。 To see is to believe. To keep smiling is healthy for you. It’s important to learn English well.
Ø与被修饰词之间有动宾关系，如不定式是不及物 动词，则需加介词。 Can you give some paper to __w_r_it_e_o_n__ (write)?
I have no jewelry to ___w__ea_r___(wear). He is looking for a room to ____l_iv_e__in____ (live). He needs a friend to _p_l_a_y_w__it_h__ (play). There are three pairs of shoes for you to _c_h_o_o_se__fr_o_m
若不定式太长,往往用it作形式主语,不定式后置。 单个不定式作主语时,谓语动词用单数。 •Early to rise and early to bed is a good habit． •When and where to hold the party hasn’t been decided. •When to hold the party and where to hold the party ___h_av_e_n_’_t_been decided.
※(5). 定语
1. something, anything, nothing, everything, no one 等 不定代词或名词后常用不定式做后置定语。
e.g. I have something to say. 动宾关系 He is not a man to tell lies. 主谓关系 We all have a chance to go to college. 同位关系
❖ I hope to finish the work in time.
❖ I plan to go to Beijing this summer. ❖ 2).不定式短语作宾语时，如果还带有宾语补足语，
往往把不定式短语放在宾补之后，而用it作形式 宾语。句型为“主语+find (feel, think, believe, consider,etc) +it+形容词/名词+to do sth”。 ❖ I think it our duty to obey the laws.
•I saw him play in the park. •→He was seen to play in the park. •The boss made those men work day and night. •→Those men were made to work day and night. •I heard her sing today． •→ She was heard to sing today．
2.作宾语
❖ 1)．不定式作宾语的动词有许多，如want, decide, intend, expect, learn, manage, plan, promise, refuse, threaten, fail, wish, hope, pretend, choose等等。
❖ I mean to go there at once.
(choose).
2. 当名词被the first ,the last, the only 等词以及形容 词最高级修饰时
eg: She is always the first to come and the last to leave.
❖ I found it difficult to see him here.
3) 不定式用在介词but, except, 后时,如果这些介词 前有行为动词do的各种形式,那么介词后的不定式 不带to,相反则带to.
(1). She could do nothing but cry. (2).There is nothing to do but wait. (3). I have no choice but to go.
动词不定式的用法归纳优秀课 件
不定式
不定式由“to+动词原形”构成,其否定形式是 “not/never to do”,不定式可以带宾语或状语 构成不定式短语,没有人称和数的变化,但有时 态和语态的变化。不定式可以作主语、宾语、 宾补、状语、表语和定语，但不能单独作谓语 。不定式的逻辑主语有时用“for+名词或代词 宾格”构成。
4．作宾语补足语 •He asked me to go with him. •He didn’t allow me to go out alone. 【注意】在感官动词（see, hear, feel, listen to , notice, watch, observe等）和使役动词let, have， make 后的补足语中，不定式不带to。但这类句子变 成被动语态时，必须带to。
3．作表语
❖ 不定式作表语不定式作表语常表示解释或表将 来的动作，主语常常是表示意向、打算、计划 的词，如wish, idea, task, purpose, duty, job.
❖ To teach is to learn. ❖ My job is to help the patient. ❖ My ambition is to become a teacher. ❖ The old man seems to be sick. ❖ 【注意】如果在主语中（通常在主语从句或修
1. 作主语 2. 作宾语 3. 作宾语补足语 4. 作定语 5. 作状语 6. 作表语 7. 作Leabharlann Baidu立成分 8. 与疑问词等连用
1 不定式作主语 (subject)
谓语动词用单数形式。 To see is to believe. To keep smiling is healthy for you. It’s important to learn English well.
Ø与被修饰词之间有动宾关系，如不定式是不及物 动词，则需加介词。 Can you give some paper to __w_r_it_e_o_n__ (write)?
I have no jewelry to ___w__ea_r___(wear). He is looking for a room to ____l_iv_e__in____ (live). He needs a friend to _p_l_a_y_w__it_h__ (play). There are three pairs of shoes for you to _c_h_o_o_se__fr_o_m
若不定式太长,往往用it作形式主语,不定式后置。 单个不定式作主语时,谓语动词用单数。 •Early to rise and early to bed is a good habit． •When and where to hold the party hasn’t been decided. •When to hold the party and where to hold the party ___h_av_e_n_’_t_been decided.
※(5). 定语
1. something, anything, nothing, everything, no one 等 不定代词或名词后常用不定式做后置定语。
e.g. I have something to say. 动宾关系 He is not a man to tell lies. 主谓关系 We all have a chance to go to college. 同位关系
❖ I hope to finish the work in time.
❖ I plan to go to Beijing this summer. ❖ 2).不定式短语作宾语时，如果还带有宾语补足语，
往往把不定式短语放在宾补之后，而用it作形式 宾语。句型为“主语+find (feel, think, believe, consider,etc) +it+形容词/名词+to do sth”。 ❖ I think it our duty to obey the laws.
•I saw him play in the park. •→He was seen to play in the park. •The boss made those men work day and night. •→Those men were made to work day and night. •I heard her sing today． •→ She was heard to sing today．
2.作宾语
❖ 1)．不定式作宾语的动词有许多，如want, decide, intend, expect, learn, manage, plan, promise, refuse, threaten, fail, wish, hope, pretend, choose等等。
❖ I mean to go there at once.
(choose).
2. 当名词被the first ,the last, the only 等词以及形容 词最高级修饰时
eg: She is always the first to come and the last to leave.
❖ I found it difficult to see him here.
3) 不定式用在介词but, except, 后时,如果这些介词 前有行为动词do的各种形式,那么介词后的不定式 不带to,相反则带to.
(1). She could do nothing but cry. (2).There is nothing to do but wait. (3). I have no choice but to go.
动词不定式的用法归纳优秀课 件
不定式
不定式由“to+动词原形”构成,其否定形式是 “not/never to do”,不定式可以带宾语或状语 构成不定式短语,没有人称和数的变化,但有时 态和语态的变化。不定式可以作主语、宾语、 宾补、状语、表语和定语，但不能单独作谓语 。不定式的逻辑主语有时用“for+名词或代词 宾格”构成。