来源:网络资源 2022-12-05 19:29:37
动词的基本形式的用法
英语的动词变化较为复杂,通过其本身词形的变化和与助动词及情态动词的连用,表示不同的时态、语态及语气。多数动词的基本形式有四种:现在式;过去式;过去分词;现在分词。
1、现在式:
动词的现在式即动词原形(如:meet, do, like等),用于祈使句、不定式的时态中的一般现在时,但碰到单数第三人称时,需要在动词原形词尾加-s(其构成法与名词复数的构成法及读单相同,如meets, does, likes, studies。I live in the center of the town.我住在市中心。
He often goes to school by bus.他经常乘公共汽车上学。
Sometimes they play basketball in the weekends. 有时他们在周末打篮球。
2、过去式:
过去式主要用于过去时(不因人称和数而弯化),有规则和不规则两种变化。
多数动词都是规则动词,在动词原形之后-ed构成过去式(和 过去分词),如:liked, studied。
不规则动词的变化则应特别记忆(或查不规则动词表),如:met did。
I went home at half past five yesterday. I was gald to receive you letter of 16 th May.
3、过去分词:
与hava或had构成完成时态,与be构成被动时态。构成情况与过去式相同。
developed countries发达国家boiled 开水rozen冷冻食品spoken English英语口语
Tom has already passed this exam.She said she had borrowed a new book
4、现在分词:
一般情况在词尾加-ing looking, walking
以不发音的字母e结尾的,去掉e后再加-ingmake-making, lose-losing
以重读闭音节结尾,词尾只有一个辅音字母的,双写末尾的辅音字母再加-ing
run-running, get-getting, begin-beginning
现在分词的作用是,可与be构成进行时,或用作形容词或动名词。
developing countries 发展中国家boiling water 沸腾的水freezing wind 刺骨的寒风
I heard the senior students singing in the hall.My father was cooking when I got home yesterday.
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