其基本构成是:have/has+done;过去完成时是指:在过去某个特定时间点或动作之前就发生的行为,即过去的过去。其基本构成是:had+done。 那为什么我们要在写作中适当加入完成时呢?因为多种时...
get sth done一般是指自己完成的,比如I get my homework finished.意思是我自己完成了作业。have sth done一般是由别人完成的,比如I have my hair cut.意思是我去剪头发(是让别人给我剪头发)。 1、have/get something done含义及用法 have+sth(宾语)+过去分词(宾语补...
Google, a once obscure, ailing / fragile company, would never have achieved today's stunning success, never have conquered so big a market share, if it had ignored the importance of group discussion. (sb would never have done sth , never have done ...
【起止标识】标记非谓语动词短语时,一定是从动词不定式(to do)、动名词(doing)或分词(现在分词doing或过去分词done)开头,到以下四种情况终止。 ① 到句尾终止,如:Li Hui is a teacher (teaching English). ② 到句中的逗号终止,如:(To improve my English), I often l...
to do sth. expect sb. to do sth. sth. from sb. that-clause so./ not. We were expecting you at eight, but you didn’t turn up. 我们预计你八点钟来的,但是你没有来。 He is a selfish man. You can’t expect too much from him...
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