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 ...
怎样用现在完成时造句，10个词以上，3句
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。
2021-09-14
1、I've never heard of anyone doing that.我从未听说有人做那种事.
2、l have played the piano .我已经弹过钢琴了.
3、Have you had lunch yet?-Yes,I have.I've just had it.
你（已经）吃午饭了吗?我刚刚吃过.（现在我不饿了）
4、He has taught here since 1981 .他自1981年就在这儿教书.（可能还要继续教）
5、I have't seen her for four years.我有四年没见到她了.
6、I have been to Beijing twice.我去过北京二次.
7、We have already finished our homework.我们已完成作业了.
8、They haven't finished their homework yet.他们还没有完成作业.
9、Have you ever been to the Great Wall?你曾经去过长城吗?
10、I have never been to the Great Wall.我从未去过长城.
11、I have seen her before,but I can not remember where.
我以前见过她,但记不起在哪里见过.2017-02-28
