谢谢啦
现在时态 you (are) I (am) it/he/she (is)
过去时态 you (were) I/he/she/it (was)
现在完成时态 I/she/he/it has (been) you have (been)
括号里的是be动词
过去时态 you (were) I/he/she/it (was)
现在完成时态 I/she/he/it has (been) you have (been)
括号里的是be动词
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第1个回答 2015-10-23
由“助动词be+及物动词的过去分词”构成.人称、数和时态的变化是通过be的变化表现出来的.现以teach为例说明被动语态在各种时态中的构成.
:am/is/are+taught
一般过去时:was/were+taught
一般将来时:will/shall be+taught
:am/is/are being+taught
过去进行时:have/has been+taught
:have/has been+taught
歌诀是:被动语态be字变,过去分词跟后面.
希望能帮到你,望采纳,谢谢本回答被提问者和网友采纳
:am/is/are+taught
一般过去时:was/were+taught
一般将来时:will/shall be+taught
:am/is/are being+taught
过去进行时:have/has been+taught
:have/has been+taught
歌诀是:被动语态be字变,过去分词跟后面.
希望能帮到你,望采纳,谢谢本回答被提问者和网友采纳