语动 ( Aurora
非谓语动词(非限定动词) 1形式:它有三种形式:不定式to do),分词(现在分词 doing、过 去分词done),动名词( doing) 2定义:在句子中不是谓语动词叫 做非谓语动词.在句中可起名词, 形容词副词的作用在句中充当主 语宾语表语补语定语或状语即 动词的非谓语形式除了不能独立 作谓语外可以承担句子的任何成 分
1.形式：它有三种形式：不定式(to do)，分词（现在分词doing、过 去分词done），动名词 (doing) 2.定义：在句子中不是谓语动词叫 做非谓语动词..在句中可起名词, 形容词,副词的作用,在句中充当主 语,宾语,表语,补语,定语或状语.即 动词的非谓语形式除了不能独立 作谓语外,可以承担句子的任何成 分 非谓语动词（非限定动词）
非谓语动词在句中不能单独作谓语动词。不受主语的人称 和数的限制。 非谓语动词特征: 1)无人称和数的变化。 2)不失去原意,可以加上自己的宾语或状语,构 成非谓语动词短语 3)否定式不用借助于助动词在谓语动词前加not 另外还有一些非动词的特征,相当于名词、形容词等 在句子里可以作这些词类所能用作的句子成分
非谓语动词特征： 1）无人称和数的变化。 2）不失去原意，可以加上自己的宾语或状语，构 成非谓语动词短语。 3）否定式不用借助于助动词在谓语动词前加not 另外还有一些非动词的特征，相当于名词、形容词等， 在句子里可以作这些词类所能用作的句子成分 非谓语动词在句中不能单独作谓语动词。不受主语的人称 和数的限制
动词太定式的基本形式 rcaM西 般式:todo(表一般性的动作)被动式 to be done 进行式: to be doing(表动作正在进行) 被动式 to be being done 公完成式: o have done(表动作在谓语动 词之前发生)被动式 to have been done
动词不定式的基本形式 • 一般式：to do(表一般性的动作） 被动式 to be done • 进行式：to be doing（表动作正在进行） 被动式 to be being done • 完成式：to have done（表动作在谓语动 词之前发生） 被动式 to have been done
1作主 To fimish the work in ten minutes is very hard 动词不定式短语作主语时,常用it作形式主语 真正的主语不定式置于句后,例如上面一句可 角如下飛式: It is very hard to finish the work in ten minutes 常用句式:1、 It takes sb+ some time+todo 2、It+be+形容词+for/ofsb+tdo
1 作主语 To finish the work in ten minutes is very hard. • 动词不定式短语作主语时，常用it作形式主语， 真正的主语不定式置于句后，例如上面一句可 用如下形式： • It is very hard to finish the work in ten minutes. • 常用句式:1、It takes sb.+some time+to do • 2、It+be+形容词+for/of sb +to do
2作表语 His wish is to be a doctor My job is to teach English. 但是:a. What i can do everyday is(to) study are b be to seek be to let be to blame ocsi.cn
2.作表语 但是：a. What I can do everyday is (to)study hard. His wish is to be a doctor. My job is to teach English. b.be to seek,be to let,be to blame
3作宾语 1)动词宾 AV1+to+V2 a. He wishes to go abroad b We have decided to give them a hand c.I want to watch TV 常与不定式做宾语连用的动词有:Want hope, wish, offer, fail, plan, learn, pretend, refuse, manage, help, agree, promise prefer
3.作宾语 1)动词宾语 A.V1+to+V2 a.He wishes to go abroad b.We have decided to give them a hand. c.I want to watch TV. 常与不定式做宾语连用的动词有：want, hope, wish, offer, fail, plan, learn, pretend, refuse, manage, help, agree, promise, prefer
B V+wh-+to do [例1NMET2000第19题 ve work with children before so I know what in my jol A expected B to expect C to be expecting D expects 该题考查疑问词+不定式在句中做 解析 宾语的用法。英语中有一些动词后 可以跟一个疑问词的不定式做宾语, 如 tell, discuss, know, show, learn decide, wonder, explain
[例1] NMET 2000 第19题 I’ve work with children before, so I know what ___ in my job. A. expected B. to expect C. to be expecting D. expects B 该题考查疑问词+不定式在句中做 宾语的用法。英语中有一些动词 后 可以跟一个疑问词的不定式做宾语， 如： tell, discuss, know, show, learn, decide, wonder, explain… B.v+wh-+to do
2)介词宾语(but aI have nothing to do but watch tv b. He did nothing but play cards. C. He has no choice but to stay behind. cannot but do cannot help but do cannot choose but do
• 2)介词宾语（but) • a. I have nothing to do but watch TV. • b. He did nothing but play cards. • c. He has no choice but to stay behind. • cannot but do • cannot help but do • cannot choose but do
3)V+it+o c+to do 动词不定式作宾语 的时候必须用做宾语 宾请放 在后面。 a. He thinks it important to Mork ghar b. I consider it necessary t classroom every day
• 3)v+it+o.c+to do • 动词不定式作宾语，后面有宾语补足语 的时候必须用it做宾语，将真正的宾语放 在后面。 • a. He thinks it important to work hard • b. I consider it necessary to clean our classroom every day