动词
二 动词时态
三 动词语态
四 非谓语动词
动词和动词短语
(一)动词分类
动词是表示动作或状态的词,按其词义和在句子中的作用可分为行为动词,连系动词,助动词和情态动词。
1.行为动词
行为动词又称实义动词,可分为及物动词 (vt)和不及物动词(vi),及物动词表示动作或状态,有完整的词义,能单独作谓语,后跟宾语;不及物动词表示动作或状态,有完整的词义,能单独作谓语,但后面不能直接跟宾语,如要带宾语则与介词或副词构成短语。 如:
More and more people study English.(vt)
The students are listening to the teacher carefully.(vi)
**常见的可带双宾的动词:“七给”(give, pass, lend, write, show, send, hand)“一带”(bring),当直接宾语前置时,必须在后面加to。如:
My father gives me a book. = My father gives a book to me.
**buy, draw, make 三个动词接双宾时,如前所说,后面加for。如:
My parents bought me a nice backpack. =My parents bought a nice backpack for me.
**不及物动词指不能直接接宾语的动词。自身意思完整,无需接宾语。大多数即可为及物也可不及物。
Boys fly kites. Birds can fly.
**除此之外,实义动词还有延续性和非延续性之分。1)延续性动词是表示动作可以延续,可以和表示一段时间的状语连用。如:live,stay, study, work, keep, teach, sleep, stand, walk, wait, read, watch等。
You can keep this book for two weeks.
非延续性动词表示瞬间动作,表示一经发生立即结束的动作。如:open, close, buy, lend, borrow, die, begin, stop, finish, arrive, join, go, come, catch等。如:I was a bit nervous before I arrived here.
2.连系动词
连系动词本身有一定的词义,但不能独立作谓语,必须与表语一起构成谓语, 说明主语的状态、性质、特征和身份。1)表状态的系动词:be, stay, keep, remain, stand(处于某种状态),如:
He always keeps silent at meeting.
表感官、表象:look, feel,, seem, sound, taste, smell,appear(显得,看来), 如:It feels soft.
表转变和结果的系动词: get, turn, become, grow,fall, go. 如:
Our country is becoming stronger and stronger.
3.助动词
助动词本身无词义,不能单独作谓语,只能和主要动词一起构成谓语动词,表示否定,疑问及动词的时态、语态、人称和数等语法特征,助动词有 be, do/does/did, have/has/had, shall, will等。
如:
How do you usually come to school?
The children are playing yo-yo now.
4.情态动词
情态动词本身有一定的意义,但不能独立作谓语,只能和主要动词原形一起构成谓语,表示说话人的语气和情态。情态动词没有人称和数的变化。初中常见情态动词有 can (could),may(might),must, need, ought to, dare等;另外,shall(愿意),will(愿意) should(应该) would(请求,愿意) 在一定场合也可用作情态动词。 如:
**各情态动词讲解
can(could)
表示能力,could表示过去的能力; I can speak English, but I can’t speak Chinese.
表示可能(理论上或是逻辑判断上);He isn’t at home. He can go to the library.
表示允许;Can I have a look at your new computer?
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