发布网友 发布时间:2022-05-14 01:48
共4个回答
热心网友 时间:2022-07-04 11:54
1. He has turned off the light.他已把灯关了。
2. Have you found your pen yet?你已找到你的钢笔了吗?
3. He has lived here since 1978.自从1978年以来,他一直住在这儿。
4. I have been in the army for more than 5 years.我在部队已经呆了五年多了。
5. I have heard nothing from him up to now.到目前为止我没有他的任何消息。
6.We haven't met since then.自那以后我们再没见过。
完成时态的构成分为两部分:一是助动词,二是实义动词的过去分词-ed。具体来说,用助动词have/has表示“时”,以表明动作发生的时间是在过去、现在还是将来;用过去分词来表示动作的“态”,以表明该动作已经完成,而且对现在有一定的影响。
热心网友 时间:2022-07-04 13:12
1、I've never heard of anyone doing that.我从未听说有人做那种事.热心网友 时间:2022-07-04 14:47
付费内容限时免费查看回答1:lhave ' t seen her for four years .我有四年没见到她了 2:I have been to Beijing twice .我去过北京二次3: We have already finished our home work .我们已完成作业了. 4:They haven ' t finished their homewo rk yet .他们还没有完成作业. 5:Have you ever been to the Great Wa 11?你曾经去过长城吗? 6:I have never been to the Great Wal L .我从未去过长城. 7:I have seen her before , but I can no t remember where .我以前见过她,但记不起在哪里见过