since a year ago意为:自一年前起就……因此有表示动作一直持续到现在的含义，是典型的现在完成时标志。时态有时还可以用现在完成进行时。
for a year一年来 与 since a year ago自从一年前 从意思上来说都是一样的。for+一段时间 since+时间点 如：I have studied here for a year.=I have studied here since a year ago.
这句话写的太拗口，直接写the poor man was dad a year ago.has been dead不是has been doing那样的完成进行式，dead做形容词，has been相当于系动词was，is，所以可以加since 但是这句话决定是chinglish, 没必要这么写
百度试题 结果1 题目完成句子 He has been away since a year ago.It is a year ___ ___ ___. 相关知识点: 试题来源: 解析 since he left 反馈 收藏
比如说He came to our city a year ago == He has been in our city for a year / since a year ago == It is a year since he came to our city == It was a year ago that he came to our city 分析总结。 扫码下载作业帮拍照答疑一拍即得答案解析查看更多优质解析举报比如说hecametoourcity...
不是的！since + 一段时间 + ago 你可以参考我的教案。呵呵 since的用法：译作“自从…以来”(1)接时间点：如 I have stayed in that country since 1995. 要求：谓v.用现在完成时，而且须是延续性动词。(2)接一段时间 + ago：如 They have lived in that house since two years ago. ...
ago 4 Our company was founded 50 years ___ by the Chairman's father. A. for B. since C. ago 5 I haven't seen Linda ___ she moved to New York last year. A. for B. since C. ago 6 The new trainee is going to stay ___ two months. A. for B. since C. ago 7 My husba...
She left London ten yearsago, and I haven’t seen hersince. 她十年前离开伦敦,此后我再没有见过她。 还可在如下句子结构中是使用since。 “It is + [period] + since-从句” 注: 英式英语一般说 it is a long time/two weeks etc since … ,而美式英语则一般说 it has been a long time/two...
I have been here since five months ago.3)since +从句 Great changes have taken place since you left.Considerable time has elapsed since we have beenhere.4) Itis +一段时间+ since从句It is two years since I became a postgraduatestudent.since的用法主要有两点:一是表示“自从……以来”,二是...
31. Since7 years ago, I traveled to Europe for the first time. 32. Since9 minutes ago, I made a cup of tea. 33. Since1 day ago, I went to the beach with my family. 34. Since8 weeks ago, I started taking photography lessons. 35. Since1 year ago, I adopted a cat from the ...