2017年MBA英語(yǔ)語(yǔ)法復(fù)習(xí):時(shí)態(tài)(1)

字號(hào):

一般現(xiàn)在時(shí)
    一般現(xiàn)在時(shí)通常表示習(xí)慣動(dòng)作、一般狀態(tài)、客觀規(guī)律和永恒真理。如主語(yǔ)為第三人稱(chēng)單數(shù), 動(dòng)詞后需加s或es。
    He always gets up late on Sundays.(習(xí)慣動(dòng)作)
    He lives on a lonely island in the Pacific Ocean.(一般狀態(tài))
    The sun rises in the east and sets in the west. (客觀規(guī)律)
    [提示]
    在以when, as soon as, after等引導(dǎo)的時(shí)間狀語(yǔ)從句中, 或以if, unless等引導(dǎo)的條件狀語(yǔ)從句中, 通常用一般現(xiàn)在時(shí)代替一般將來(lái)時(shí)。
    I’ll ring you as soon as he comes back. (as soon as, when, after一般現(xiàn)在時(shí)表將來(lái)時(shí))
    You’ll succeed if you try you best. (一般現(xiàn)在時(shí)表將來(lái)時(shí))