mdsk.net
当前位置:首页 >> stuDy的完成时 >>

stuDy的完成时

studied

study[英]['std][美][stdi]n.学习,研究; 课题; 书房; 结论; vi.考虑; 沉思; 默想; 努力; vt.想出; 详细地检查; 背诵(台词等); 为…费心思; 第三人称单数:studies过去分词:studied复数:studies现在进行时:studying过去式:stud

因为study不是延续性动词

选D,用将来完成进行时.

形式 一般式 进行式 完成式时间 现在 am/is/are made am/is/are being made have/has been made过去 was/were made was/were being made had been made将来 shall/will be made x shall/will have been made

完成时有三种: 现在完成时 表示到说话时为止(或到现在为止)已经发生或完成了(不一定结束)的动作或状态. 过去完成时表示在过去某一时间或动作之前已经发生或完成了的动作.它表示句子中描述的动作发生在“过去的过去”. 将来完成时用来表示在将来某一时间以前已经完成或一直持续的动作.经常与before+将来时间或by+将来时间连用,也可与before或by the time引导的现在时的从句连用. 1) 构成 (shall)will+have+动词过去分词

1.learn 是专指学习的意思,而study更倾向于研究的意思.2.before用在一般过去时:Tom drank a bottle before he running.before用在现在完成时:Water pollution is a problem before.3.He will + so he does4.truly5.pleasant:令人愉快的pleased:高兴的,pleasure:愉快的.n

have wanted

I have been doing my homework for many hours. I have put this task onto the internet with the award of 20 coins. I have posted that any thing with present perfect is OK such as: "I have been to Beijing for more than six times. Tony hasn't been to

现在完成时 动词发生在过去,影响到现在,延续到现在,某种经历. 句型 基本结构:主语+have/has+过去分词(done) ①肯定句:主语+have/has+过去分词+其他 ②否定句:主语+have/has+not+过去分词+其他 ③一般疑问句:Have/Has+主语

网站首页 | 网站地图
All rights reserved Powered by www.mdsk.net
copyright ©right 2010-2021。
内容来自网络,如有侵犯请联系客服。zhit325@qq.com