現(xiàn)在完成時(shí)及其它時(shí)態(tài)7

過去將來時(shí): could/would do
     現(xiàn)在完成時(shí): have/has done
     過去完成時(shí):had done
    將來完成時(shí):shall have done
    過去將來完成時(shí):would/could have done
    現(xiàn)在進(jìn)行時(shí):is/am/are doing
    過去進(jìn)行時(shí):was/were doing
    將來進(jìn)行時(shí):will/shall be doing
    過去將來進(jìn)行時(shí):would/could be doing
    在完成進(jìn)行時(shí):have/has been doing
    過去完成進(jìn)行時(shí):had been doing
    將來完成進(jìn)行時(shí):shall have been doing
    過去將來完成進(jìn)行時(shí):would have been doing
     此時(shí)態(tài)一般在中學(xué)學(xué)習(xí)
     過去分詞的構(gòu)成：
     1 、規(guī)則動(dòng)詞：規(guī)則動(dòng)詞的過去分詞的構(gòu)成規(guī)則與規(guī)則動(dòng)詞的過去式的構(gòu)成規(guī)則相同。四點(diǎn)變化規(guī)則：