问题 Not until+时间状语+主句，主句的时态问题

Not until Dec. 2003 was he caught by the police.= He was not caught by the police until Dec. 2003.Not until Dec. 2003 had he been caught by the police.= He had not been caught by the police until Dec. 2003.为何第二句话主句的时态错误?

问题 为什么前后时态不一致

I know many things now that I wasn’t aware of when I was younger.为什么前面用一般现在时know，后面用一般过去时 was？

问题 用作连系动词的remain可以用于进行时态吗

All of them were remaining silent. 他们所有人都保持沉默。        这里的 remain 是连系动词吧，因为它后面接的是形容词。我的疑问是：用作连系动词的remain可以用于进行时态吗?

问题 是主语从句还是宾语从句？从句时态受主句制约吗？

...hentic tomb。that引导的从句是宾语从句还是主语从句？从句时态受不受主句制约？我的理解是it是形式宾语，真正的宾语是that从句，因为是said的接受者，所以是宾语，请问是这样的吗？

问题 hope用于进行时态

动词hope可用于现在进行时吗？我们一般就说“希望”，难道会说“正在希望”？比如下面的句子： The company are hoping to expand their operation abroad. The United Nations are hoping to resolve the conflict quickly.

问题 not ....until 主从句的时态是怎么样

问题 was/is 时态问题

He would sooner lose everything than admit that he was wrong.不明白这句话中为何用 was，而不是 is？He would sooner lose everything than admit that he is wrong.谢谢！

问题 情态动词可以和16种时态结合构成符合谓语嘛

问题 When I came home, he left的时态对吗

如果是说：When I came home, he had left. 这肯定没问题。但如果说：When I came home, he left. 这句时态有问题吗？

问题 条件状语从句从句时态问题

supposing he won't pass the exam,what should he do？    为什么supposing 引导的条件状语从句不用一般现在时代替一般将来时，而用将来时won't     

问题 时态、间接引语问题

—Why did you call yesterday? I was out then.—To tell you I ____ a souvenir for you.A.bought   B.had boughtThe two choices confuse me quite a bit. I'm wondering which sounds better to you?

问题 谓语动词时态不一致

Governments are spending rapidly to get economies back on track, provide emergency support and procure medical supplies.老师您好，请问这里的三句话，第一个谓语动词spending是进行时，为什么后面provide 和 procure是一般现在时了。前后不一致啊。

问题 句子的时态问题

“这次筹集的钱将捐给孤儿院。” 这句话怎么说呢？1.The money we raise here will be donated to the  Orphanage.2.The money that we will raise here will be donated to the Orphanage.这两种都是我想的，都觉得奇怪、不对。请老师指教。谢谢！

问题 long live...的时态问题

为什么Long live our great motherland中的live不用第三人称单数？ 还有Long may she reign也是？

问题 be made in时态问题

人教版九年级unit 5的对话中有：Where was the ring made？It was made in Thailand.此处为什么不用一般现在时呢？