完成时

He entered the room, turned on the light and read an evening paper.

当两个或两个以上的动作用 and 或 but 连接时，按时间顺序只需用一般过去时代替过去完成时；另外在引导的从句中由于这些连词本身已经表示时间的先后，因此也可以用过去时来代替过去完成时

You an also play with many different tenses (perfect, future perfect, pluperfect and so on).

你也可以运用多种不同的时态（完成时、将来完成时、地去完成时等等）。

Enable the students to learn the present perfect progressive tense and know how to use the present perfect progressive tense .

灵活运用现在完成进行时完成相关练习。2 掌握现在完成进行时和现在完成时的区别。让学生仔细阅读教材所给例句，回答教材所给问题，帮助学生理清下列概念

I have bought a ten-speed bicycle. They have cleaned the classroom.

5现在完成时的用法 1 现在完成时表示在说话之前已经完成或刚完成的动作。

Had been doing have/has been doing 一般进行完成过去 was/were given was/were being given had been given 现在 am/is/are given am/is/are being given have/has been given /将来 will/shall be given / will/shall have been given /过去将来 should/would be given / should/would have been given

完成进行 2。被动形式/ CET-4 常考的三种时态：过去完成时；将来完成时；完成进行时。时间状语从句当中的时态：一般过去时所有的过去用一般现在时表示现在和将来现在完成时现在完成和将来完成一。非谓语动词一。

Had been doing have/has been doing /一般进行完成过去 was/were given was/were given had been given being 现在 am/is/are given am/is/are being given have/has been given 将来 will/shall be given / will/shall have been given /过去将来 should/would given / should/would have been given be

完成进行 2。被动形式// CET-4 常考的三种时态：过去完成时；将来完成时；完成进行时。时间状语从句当中的时态：一般过去时所有的过去用一般现在时表示现在和将来现在完成时现在完成和将来完成一。非谓语动词一。

When you want to speak in English,do yousit in a corner and say: I'll begin with the present perfect.I'll move into the past tense,sprinkling a few adjectives,andthen I'll really slay them when I introduce the past perfectas well.

当你想说英语的时候，你是不是坐在角落里说：我先用现在完成时，然后用过去时，点缀几个形容词，然后，当我把过去完成时也用上的时候，一定能把他们震了。

And this semester, we have learned the past tense, the past perfect tense and the future tense and so on.

这个学期，我们学到了过去时，现在完成时，过去完成时和将来时等。

The present and past perfect tenses both belong to the perfect tense.

现在完成时和过去完成时都属于完成时态。

The present and past perfect tenses both belong to the perfect tense.

现在完成时和过去完成时都属于完成时态。v。使完美，促进

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷