一般现在时谓语动词用动词原形或第三人称单数
She find her dog.
She didn't find her dog.
Did she find her dog?
一般过去时谓语动词用动词的过去式
He lost his coat.
He didn't lose his coat.
Did he lose his coat?
一般将来时谓语动词用Will/be going to+动词原形
She will go to/is going to this concert.
She won't go to/isn't going to this concert.
Will she go to /Are she going to this concert?
现在进行时谓语动词用am is are+动词的现在分词
The girl is playing the piano.
The girl isn't playing the piano.
Is the girl playing the piano?
现在完成时谓语动词have /has加用动词的过去分词(特殊形式较多如have been to,have gone to,以及动词变化如Borrow=Keep,Buy= have请查阅书籍)
I have watched this TV show already .
I haven't watched this TV show already.
Have you ever watched this TV show?
过去进行时谓语动词用was were +动词的现在分词
Jerry was reading books at three to five o'clock in the afternoon.
Jerry wasn't reading books at three to five o'clock,in the afternoon.
Was Jerry reading books at three to five o'clock in the afternoon?
过去完成时谓语动词用had 加动词的过去分词。
He had left by the time I arrived.
He hadn't left by the time I arrived.
Had he left by the time I arrived?
过去将来时谓语动词用would 或was /were going to do 加动词原形。情况也比较多。
They were going to start a new job when I saw them then.
They weren't going to start a new job when I saw them then.
Were they going to start a new job when I saw them then?
That's all.全部都是我自已打下来的,关于时态的解释我用了资料书上的。
在完成时
1. 一般现在时
用法:
A) 表示现在发生的动作、情况、状态和特征。
B) 习惯用语。
C) 经常性、习惯性动作。
例:He always helps others. (他总是帮助别人。)
D) 客观事实和普遍真理。尤其要注意,如果前后文不是一般现在时,则无法保持 主句、从句时态一致。
E) 表示一个按规定、计划或安排要发生的动作,(仅限于某些表示“来、去、动 、停、开始、结束、继续”等的动词 )可以与表示未来时间的状语搭配使用 。常见的用法是:飞机、火车、轮船、汽车等定期定点运行的交通方式。
例:The next train leaves at 3 o'clock this afternoon.
(下一趟火车今天下午3点开车。)
How often does this shuttle bus run? (这班车多久一趟?)
F) 在时间和条件状语从句里经常用一般现在(有时也用现在完成时)表示将来事 情。
例:When you have finished the report, I will have waited for about 3 hours.(等你完成这份报告的时候,我就已经等了将近3个小时了。)
作业?