助动词have的用法
1)have +过去分词,构成完成时态,例如:
He has left for London. 他已去了伦敦。
By the end of last month, they had finished half of their work.
上月未为止,他们已经完成工作的一半。
2)have + been +现在分词,构成完成进行时,例如:
I have been studying English for ten years.
我一直在学英语,已达十年之久。
3)have+been +过去分词,构成完成式被动语态,例如:
English has been taught in China for many years.
中国教英语已经多年。
体坛英语资讯:Clijsters named WTA Player of the Year
体坛英语资讯:Brazil guarantees 12 host cities for 2014 World Cup
体坛英语资讯:AC Milan qualify for last 16, Arsenals future in doubt
体坛英语资讯:Nadal, Federer to meet in final clash ATP Finals
为何那么多外国人喜欢来中国?
体坛英语资讯:Soderling edges Ferrer at ATP Finals
将来时间的用法都在这
体坛英语资讯:IOC to Investigate FIFA World Cup Voter
体坛英语资讯:Villarreal coach Garrido agrees new deal
体坛英语资讯:Ronaldo sidelined with new injury
体坛英语资讯:Maradona wants to coach Boca Juniors
高中英语知识点之动词不定式的省略
体坛英语资讯:Natal runs risk of losing chance to host 2014 World Cup
英语四级作文范文:私立学校
体坛英语资讯:Dortmund extend chances at European League
体坛英语资讯:South African womens soccer coach to be fired: papers
体坛英语资讯:Bremen wins, Wolfsburg ties at German Bundesliga
体坛英语资讯:After Asian Games, Guangzhou looking at a lasting legacy
体坛英语资讯:Inter, Barca and Man U qualify for Champions League final 16
体坛英语资讯:Villarreal remains third and Espanyol fourth as Spain awaits El Classico
战胜时差反应,你需要知道的一切
体坛英语资讯:Sporting press in Spain unanimous on Barcelonas superiority
初中英语语法(动词不定式)讲解
体坛英语资讯:Liu Xiangs back as China sets new medal record, 2nd doping case revealed
体坛英语资讯:Bad day for Spanish sides in Europa League
小学英语口语教案:We love animals
体坛英语资讯:Villarreal lose Spain defender Capdevila for three weeks
体坛英语资讯:Roddick suffers two straight defeats at ATP Finals
体坛英语资讯:Internacional reveals roster for Club World Cup
体坛英语资讯:Federer outplays Nadal at ATP Finals
| 不限 |
| 英语教案 |
| 英语课件 |
| 英语试题 |
| 不限 |
| 不限 |
| 上册 |
| 下册 |
| 不限 |