动词的时态和语态动词的时态动词的时态一共有 16 种，以 ask 为例，将其各种时态的构成列表如下：一般进行完成完成进行现在时ask / asksis / am / are askinghave / has askedhave / has beenasking过去时askedwas / were askinghad askedhad been asking将来时will askwill be askingwill have askedwill have beenasking过去将来时would askwould be askingwould have askedwould have beenasking一、一般体考点（一）一般现在时1. The geography teacher told us that the earth_________ (move) around the sun.2. Water ________(boil) at 100℃.3.The careless driver has just been fined $ 10 for stopping his car at a sign that _______(read) “NO PARKING”.4. Whatever you _______ (say), I will not change my mind.5. Don’t try to run before you _______ (begin) to walk.6. I’ll go with you if I _______(finish) my work.【总结】1．定义：表示现在的经常性、习惯性的动作或状态。时间状语：every day; often; usually; always; seldom; sometimes2. 一般现在时可以表示客观事实或普通真理。3. 在让步、时间和条件状语从句中以及主语是祈使句时常用一般现在时代替将来时。（二）一般过去时1. --- Nancy is not coming tonight.--- But she _________ (promise)!2. My uncle didn’t _______ (marry) until he was forty-five.3. --- You haven’t said a word about my new car, Brenda. Do you like it?--- I’m sorry I ________(not say) anything about it sooner. I certainly think it’s pretty on you.4. --- Come on in, Peter. I want to show you something.--- Oh, how nice of you! I never ________ (think) you_____ (be) going to bring me a gift.5. --- Your phone number again! I _________ (not catch) it.--- It’s 9598442.【总结】定义：过去某一时间发生的动作或所处的状态。含有“刚才，在过去”之意，暗示现在已经不这样。时间状语：then; at that time; just now; three days ago; yesterday; when 或 while 引导的表示过去的时间状语从句（三）一般将来时12将来时...
