_ you history before?(teach) Yes.I ___(teach)it

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/04/29 18:26:00

_____ you ______ history before?(teach) Yes.I _____(teach)it in 2005 and 2007
答案是have taught
had taught

___have__ you ___taught___ history before?(teach)
Yes.I __had taught___(teach)it in 2005 and 2007
根据句意可能更好理解一些：
——你之前教过历史吗?
——是的,我2005~2007年教过历史.
说明：第一个问的是：曾经做过吗?【属于过去发生的事情（教没教过）对现在造成的影响(能不能教以及教的好不好),所以用现在完成时.注：现在完成时是动作发生在过去,其后果对现在有影响.一般过去时只是动作发生但不强调后果.】
第二句：在过去的一段时间曾经发生的动作,用过去完成时

I often teach him English _____ sundays What does he teach _____ ? 1.Do you read china _____?Yes,I read it ______.A.daily;every ____ I ______ (need ) _____ (share ) it with him Yes,You mus 【初二英语】Can you teach yourself _____ a home page. [ ]do you teach?I teach English You can teach me English and I can teach you Chinese.______ _____ I your classmate?Yes,you _____. 要有解析,—_____ you _____ your homework yet?—Yes,I _____ it ten —_____ you _____ your homework yet?—Yes.I _____ it a moment Did you always teach history? Have you always taught history i often teach _____(he) English ,and she teaches _____(she)E