(四)動(dòng)詞時(shí)態(tài)、語(yǔ)態(tài)
I. 要點(diǎn)
1、 一般現(xiàn)在時(shí)
(1) 表示經(jīng)常發(fā)生的動(dòng)作或現(xiàn)在存在的狀態(tài),常與sometimes, always, often, every day等時(shí)間狀語(yǔ)連用。如:Sometimes, we go swimming after school.
(2) 表示客觀真理、科學(xué)事實(shí)等。如:The earth goes round the sun.
2、 現(xiàn)在進(jìn)行時(shí)
(1) 表示說(shuō)話時(shí)或現(xiàn)階段正在進(jìn)行的動(dòng)作,常與now, at present等時(shí)間狀語(yǔ)連用。如:
What are you doing now?
(2) 和always, continually等連用,表一種經(jīng)常反復(fù)的動(dòng)作,常含有某種情感。如:
He is always doing good deeds.
3、 現(xiàn)在完成時(shí)
主要表示動(dòng)作發(fā)生在過(guò)去,對(duì)現(xiàn)在仍有影響,或動(dòng)作一直延續(xù)到現(xiàn)在,或可能還要繼續(xù)下去,常與just, already, so far, once, never 等詞連用。如:Have you ever been to Beijing?
4、一般將來(lái)時(shí)
表示將來(lái)某一時(shí)間要發(fā)生的動(dòng)作或存在的狀態(tài),常與tomorrow, next year等連用。如:
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