Since last August ,the old lady____(have)had headaches threes to four times a month

Since last August ,the old lady____(have)had headaches threes to four times a month Since last August这句话能解释为从去年8月开始到现在吗? i haven't watched a movie since last month I haven’t seen her since last week.意思? 不是应该用过去完成时吗?since last August ,the old lady _____(have) bad headaches three to four times a month是用过去完成时还是用现在完成时？、 i haven’t seen jim since last month.提问_______ ________ ________ you ________ jim?(since last month划线） I haven't seen you since one month ago I haven't seen you since last month.意思一样吗? 完成时.1.I haven't seen jim （ since last完成时.1.I haven't seen jim （ since last month）对括号内提问 She hasn't seen me since last year.和She hasn't seen me by last year.的区别hasn't seen me by last year. We haven't seen each other for 10 years since we met last.的同义句It ______ ______ ______ since we met last. 1.I didn't go to bed--[since,until]my mum came back last night. we haven't heard from them since last month.为什么这里不能用until啊? I haven't heard from him since last week .请问这句话对吗? I haven't heard from George (since the end of last year).(括号部分提问) I had a such meal since you invited me last time 老师这个填haven't 还是hadn't last year怎样用since回答 It_______ten years since we last At last we decided to start on August 16(同义转换)At last we( )( ) August 16At last we（ ）（ ）（ ）August 16At last we（ ）（ ）（ ）to start on August 16