作业帮present perfect 现在完成时?如果是 又用那些单词 句型是什么
来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/05/09 17:46:28
present perfect 现在完成时?如果是 又用那些单词 句型是什么
give me example
give me example
present perfect 现在完成时.就是你已经做了某些事情了.
时态标志词主要有：for,since,so far,ever,never,just,yet,till / until,up to now,before,already,recently,in recent years,in the past few years
如：
I haven’t seen a student like that before.我以前没有见过这样的学生.
They have just finished lunch.他们刚吃完午饭.
The bus has already left.公车已经开走了.
Have you heard from him yet?你收到他的来信了吗?
Have you ever been to Los Angles?你去过洛杉矶吗?
2.现在完成时与for/since等引导的持续性时间状语或so far等包括“现在时间”在内的时间状语连用.
3 by +时间点,表示“到…为止”,要和完成时态连用.当叙述过去的事情时,要用过去完成时.
再问： he she it put has we u they I put have then put past farticiple don't use simple past . right? present perfect meaning that it has completed over. right?
再答： She/he/it has put We/you/they have put "present perfect meaning that it has completed over. right?"--yes. "then put past farticiple don't use simple past . right?"--put 的过去分词和原形是一样的，就是put, put, put
再问： thank u give u some sentence for example they have done them homework he has gone to school right?
再答： yes, but there's a small mistake in the first sentence, should be "They've done their homework."
时态标志词主要有：for,since,so far,ever,never,just,yet,till / until,up to now,before,already,recently,in recent years,in the past few years
如：
I haven’t seen a student like that before.我以前没有见过这样的学生.
They have just finished lunch.他们刚吃完午饭.
The bus has already left.公车已经开走了.
Have you heard from him yet?你收到他的来信了吗?
Have you ever been to Los Angles?你去过洛杉矶吗?
2.现在完成时与for/since等引导的持续性时间状语或so far等包括“现在时间”在内的时间状语连用.
3 by +时间点,表示“到…为止”,要和完成时态连用.当叙述过去的事情时,要用过去完成时.
再问： he she it put has we u they I put have then put past farticiple don't use simple past . right? present perfect meaning that it has completed over. right?
再答： She/he/it has put We/you/they have put "present perfect meaning that it has completed over. right?"--yes. "then put past farticiple don't use simple past . right?"--put 的过去分词和原形是一样的，就是put, put, put
再问： thank u give u some sentence for example they have done them homework he has gone to school right?
再答： yes, but there's a small mistake in the first sentence, should be "They've done their homework."
present perfect 现在完成时?如果是 又用那些单词 句型是什么
现在完成时的句型是什么
现在完成时的句型是什么?
present perfect
造句用 past simple and present perfect
用present perfect tense ,simple past tense ,
现在完成时的基本句型是什么?
present perfect simple and present perfect continuous
英语语法怎样子掌握,40几个音标是那些,怎样快速记忆单词,怎样掌握听力题,写作文又要注意什么,什么是倒装句,现在完成时的
present perfect;：indefinite past
The present perfect tense
什么时候该用 present perfect 什么时候该用past simple?