網(wǎng)友提問時(shí)敘述不夠準(zhǔn)確,或者說概念不夠清楚。英語有16種時(shí)態(tài),其中有六種時(shí)態(tài)沒有被動(dòng)語態(tài)形式。其原因是被動(dòng)語態(tài)的be done用于將來或過去將來進(jìn)行時(shí)時(shí),會(huì)出現(xiàn)will/would be being done。在正確語速的口語交流中,be being的發(fā)音是很拗口的。另外四個(gè)完成進(jìn)行時(shí)的被動(dòng)語態(tài)也會(huì)遇到同樣的尷尬:have/had/will have/would have been being done. 其中的been being是非常拗口的。因此,現(xiàn)代英語中這六種時(shí)態(tài)不用被動(dòng)語態(tài)。當(dāng)將來或過去將來進(jìn)行時(shí)需要用被動(dòng)語態(tài)時(shí),用一般將來或過去將來時(shí)的被動(dòng)語態(tài)形式代替。四個(gè)完成進(jìn)行時(shí)的被動(dòng)語態(tài)用完成時(shí)的被動(dòng)語態(tài)代替。 因此,現(xiàn)代英語中被動(dòng)語態(tài)有10種時(shí)態(tài)形式(不是10中被動(dòng)語態(tài)):四個(gè)一般時(shí),四個(gè)完成時(shí),現(xiàn)在進(jìn)行時(shí),過去進(jìn)行時(shí)。 It is done it was done. It will be done. It would be done. It has been done. It had been done. It will have been done. It would have been done. It is being done. It was being done. 除了除了十種時(shí)態(tài)形式外,被動(dòng)語態(tài)還可用于情態(tài)動(dòng)詞之后,其形式同will/would后的被動(dòng)語態(tài)形式。此外,被動(dòng)語態(tài)還可用于非謂語動(dòng)詞,例如不定式to be done, to have been done. 現(xiàn)在分詞或動(dòng)名詞,being done, having been done. |
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