定式to。
I often saw him go out of the room .-------- He was often seen to go out of the room by me . B.在had better, would rather, do nothing but等后面常省to。
○6 动词不定式的否定形式:not + to do ,有时也可以用-never + to do 结构。 3.动名词:动词原形+ing 。具有名词、动词一些特征。
○1 一般式:主动语态:doing ,被动语态:being + 动词过去分词(表示动作或状态与谓语动词的动作或状态同时发生或之后发生)
○2 完成式:主动语态:having +动词过去分词,被动语态:having been +动词过去分词 (表示动作或状态在谓语动词的
动作或状态之前就发生)Children enjoy watching animated cartoon . I don’t remember having ever seen the film .
○3 动名词的否定形式:not + 动名词(v-ing) I regret not being able to help you . ○4 用法:
A. 作主语:
a. 动名词作主语如果太长,可以用形式主语it代替。Learning English is very important .--- It’s very important
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to learn English .
b. No + 动名词表示“禁止”。No smoking, No parking . B. 作宾语:He finished doing his homework . C. 作表语:His favourite sport is playing basketball .
D. 作定语:shopping basket, finishing line . (表明名词的用途、功能等)
E. 动名词的复合结构:名词所有格、形容词物主代词+动名词。Do you mind my / Wei Fang’s opening the window ?
4.分词:动词原形+ing 。具有形容词、副词和动词一些特征。(可分为现在分词、过去分词) 现在分词
○1 一般式:主动语态:doing ,被动语态:being + 动词过去分词(表示动作或状态与谓语动词的动作或状态同时发生)
○2 完成式:主动语态:having +动词过去分词,被动语态:having been +动词过去分词 (表示动作或状态在谓语动词的动作或状
态之前就发生)
○3 动名词的否定形式:not + 动名词(v-ing) No understanding the meaning of the words, he couldn’t explain the sentence .
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○4 用法:
A. 作表语。The result is surprising .
B. 作定语。Developing country (主谓关系) sleeping boy (boy 所做的动作)
C. 作状语。Passing by the house, he saw a girl playing the piano . = when he was passing by the house , he saw a girl playing the piano .
D. 作宾补。I found him lying on the grass.
过去分词
○1 形式:规则动词+ed,和不规则动词的过去分词。 ○2 过去分词的否定形式:not + 动词过去分词。
3 用法: ○
A. 作表语:My bike is broken . He is very worried .
B. 作定语:developed country, fallen leaves, spoken English .
C. 作状语:Asked why he was absent, he said he was ill . = When he was asked why he was absent, he said he was ill .
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D. 作宾补:You had better have your shoes mended . I had my hair cut yesterday .
(十一)动词的语态
1. 语态定义:英语中表示主语和谓语之间的关系的动词形式称为语态。英语的语态分为主动语态和被动语态。主动语态表示主语是动作的执行者,被动语态表示主语是动作的承受者。We teach English in our school .(主动) English is taught in our school .(被动)
2. 被动语态:助动词Be + 及物动词的过去分词(be +p.p.),be有人称、时态和数的变化。见下表:
时 态 一般现在时 一般过去时 一般将来时 现在进行时 过去进行时 现在完成时 时 态
谓语动词的形式 Am / is / are + 动词过去分词 Was / were +动词过去分词 Shall / will + be +动词过去分词 Am / is / are + being +动词过去分词 Was / were +being动词过去分词 Has / have + been + 动词过去分词 谓语动词的形式 例 子 Colour TVs are made in the factory . My hometown was liberated in 1949 . The film will be shown again . The walls are being painted . The tickets were being well sold then . A new road has been built here . 例 子 24
过去完成时 含有情态动词的被动语态 Had + been +动词过去分词 Much had been done before mother came back . 情态动词+be+动词过去分词 The composition must be handed in today . 3. 被动语态中值得注意的问题:
○1 带有双宾语的动词,可以把任何一个宾语变被动,一般在间接宾语前加适当的介词。My father gave me a book ./ I was
given a book by my father ./ A book was given to me by my father .
○2 英语中有些动词用主动语态表示被动语态。The cloth washes well ./ This kind of bags sells well. / The shoes wear
long. / The knife cuts well . / The pen writes smoothly . / This coat lasts long .
○3 在英语中有时“be + V-ed”结构并不是被动语态,而是系表结构。The mountains were covered with snow . ○4 在“主语+谓语+宾语+宾语补足语”的结构中,要补留宾语补足语。We found the door broken. / The door was found
broken.
○5 宾语补足语为省to的不定式,变为被动语态后,要还原to。He made me laugh. / I was made to laugh .
○6 如果短语动词是及物动词时,可以用被动语态,但不能遗漏所含的介词或副词。The nurse looked after the baby ./ The
baby was looked after by the nurse . / We must make up for the lessons we missed. / The lessons we missed
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