be done 介词 能做非谓语吗be done 介词作非谓语省略be是什么意思?

be done 介词 能做非谓语吗be done 介词作非谓语省略be是什么意思? 非谓语有be done的形式吗 非谓语中to be done =doing?非谓语中to be done =doing?=done 被动语态sth be done是主语+谓语吗?记得此种句型谓语必须是不及物动词,be done是什么句子成分? 非谓语动词中 to be done和be done 的区别应该是to be done与非谓语动词done在句中使用的区别。 be done be done 非谓语结构有没有TO BE DONE 结构 BE后能加介词吗 不是be done表被动吗?那非谓语动词里的过去分词为什么是done表被动,be哪去了? 非谓语动词to have done 和to be done的区别 非谓语中done 与to be done 都表被动,请问有什么区别么 关于英语非谓语问题非谓语doing having done to do to have done to be doing being done have been done to be done to have been doing done doing,having done,to do,to have done ,to be doing,being done,have been done,to be done,to have been doin 怎么分辨谓语动词和非谓语动词啊?比如,has caused /to be done /having been done/啊什么的? be+Ving是谓语吗 be done 和 be done it 主语+谓语＝介词短语 There be+主语＝介词短语麻烦造句! do did does是不是可以直接做谓语 但done doing不能直接做谓语 have done be doing才能做谓语