2008年工程碩士GCT英語考試詞匯語法指導(dǎo)四十

謂語動(dòng)詞用來表示動(dòng)作或情況發(fā)生時(shí)間的各種形式稱為時(shí)態(tài)。從時(shí)間上來看，英語的時(shí)態(tài)有現(xiàn)在、過去、將來及過去將來四種。從表現(xiàn)形式（或稱“體”）上來看，英語的時(shí)態(tài)有一般時(shí)態(tài)、過去時(shí)態(tài)、完成時(shí)態(tài)、完成進(jìn)行時(shí)態(tài)四種。兩者的結(jié)合構(gòu)成了英語的各種時(shí)態(tài)。共有十六種，具體見下表：
     一般時(shí)態(tài)
     進(jìn)行時(shí)態(tài)
     完成時(shí)態(tài)
     完成進(jìn)行時(shí)態(tài)
    現(xiàn)在
     do
    does
     is
    am doing
    are
     Has
    Done
    Have
     has
    been doing
    have
    過去
     did
     was
    doing
    were
     had done
     had been doing
    將來
     shall
    do
    will
     shall
    be doing
    will
     shall
    have done
    will
     shall
    have been doing
    will
    過去將來
     should
    do
    would
     should
    be doing
    would
     should
    have done
    would
     should
    have been doing
    would