动词时态的知识网络复习精析精练
现在时 过去时 将来时 过去将来时
一般 ask / asks asked shall/will ask should/would ask
进行 am/is/are asking was/were asking shall/will be asking[来源:学。科。网] should/would be asking
完成 have/has asked had asked shall/will have a sked should/would have asked
完成进行 have/has been asking had been asking shall/wi ll have been asking should/would have been asking[来源:Z.xx.k.Com]
注意事项[来源:学科网ZXXK] 当主句和从句的谓语动词所表示的动作同时发生时，从句需要用一般过去时或过去进行时，即要注意句子时态的呼应。当从句所表示的内容是个普遍真理或一般规律时或当从句有绝对表示过去的时间状语时，句子的主句和从句不存在时态上的呼应。联系动词be的一般时可表示完成概念，现在完成时，可表示“到说话时为止”。
She said she understood.   她说她懂了。
主句和从句的谓语动词所表示的动作同时发生时，从句需要用一般过去时或过去进行时。
I wasn't sure whether you (were ) [be] watching TV  or not.   

我不敢肯定你是不是在看电视。

新概念英语视频
八年级英语课本人教版
英语人教版八年级下册

从句谓语动词所表示的动作发生在主句谓语动词所表示的动作之前时，从句多用过去完成时。
She told me she had graduated from university three years before.
她告诉我她三年前就大学毕业了。
从句谓语动词所表示的动作发生在主句谓语动词所表示的动作之后时，句多用过去将来时。
He said he would do anything for his own home.   
他说他愿为他自己的家庭做任何事情。
从句所表示的内容是个普遍真理或一般规律时 ，不存在时态的呼应。
My teacher said that light travels much faster than sound.
我的老师说光的速度比声音的速度快得多。
联系动词be的一般时可表示完成概念。
My fever is gone.   我的烧已经退了。

1. —What a mess! You are always so lazy!
—I’m not to blame, mum. I am ________ you have made me.
A. how B. what C. that D. who
2. As John Lennon once said，life is_____ happens to you while you are busy making other plans.
A. which B.that C. what D. where
3. The only way to succeed at the highest level is to have total belief ______ you are better than anyone else on the sports field.
A. how            B. that                C. which          D. whether
4. ________  you said at the meeting describes a bright future for the company.
A. When        B. How    C. What      D. That
5. It remains to be seenthe newly formed committee’s policy can be put into practice.
A. that            B. which    C. what        D. Whether
6.  ________struck me most in the movie was the father's  deep love for  his son.
A．That          B．It          C．What          D. Which
7. Do not let any failures discourage you, for you can never tell ________ close you may be to victory.
A. how  B. that C. which  D. where
8. It's good to know   ________ the dogs will be well cared for while we're away.
A. what  B. whose    C. which  D. that
9. From space, the earth looks blue. This is ________  about seventy－one percent of its surface is covered by water.
 A．why  B．how      C．because  D．whether
10. ________ makes the book so extraordinary is the creative imagination of the writer. 
A. That    B. What    C. Who  D. Which

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