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高中语法知识点总结
八大时态根本用法总结
八大时态：一般现在时、一般过去时、现在进展时、过去进展时、现在完成时、过去完成时、一般将来时、过去将来时
一般现在时
：指经常、反复发生的动作或行为与现在的某种状况。
：always, usually, often, sometimes, every week (day, year, month…), once a week, on Sundays,
：动词+ 原形 〔如主语为第三人称单数，动词上要加〔e〕S〕
：am/is/are+not;此时态的谓语动词假设为行为动词，如此在其前加don't,如主语为第三人称单数，如此用doesn't，同时复原行为动词。
：把be动词放于句首；用助动词do提问，如主语为第三人称单数，如此用does，同时，复原行为动词。
：. It seldom snows here.
He is always ready to help others.
Action speaks louder than words.
：一些动词可用一般现在时来表达现在进展时：
verbs of the senses: hear,see,taste,smell
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verbs of the thinking: believe,know,mean,realize,think,remember
verbs of the linking: dislike,fear,hate,like,love,want
verbs of the possession: belong,have,own,possess
一般过去时
：过去某个时间里发生的动作或状态；过去****惯性、经常性的动作、行为。
：ago, yesterday, the day before yesterday, last week(year, night, month…), in 1989, just now, at the age of 5, one day, long long ago, once upon a time, etc.
：含有Be动词主语+was/were+......
不含有be动词：主语+动词过去式+......
：带be:主语+was/were not+动词原形+......
不带be：主语+didn't+动词原形+......
：含be动词was或were放于句首；
不含be动词用助动词do的过去式did 提问，同时复原行为动词原型。
：She often came to help us in those days.
I didn't know you were so busy.
She sang a song of Lin Feng yesterday[1].
现在进展时
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：表示现阶段或说话时正在进展的动作与行为。
：now, at this time, these days, etc.
：Be动词、am/is/are+doing
：Be动词、am/is/are+not+doing.
：把be动词放于疑问词的后面。
：How are you feeling today?
He is doing well in his lessons.
7. 一般表示位移的词如leave fly arrive go e. 等用现在进展时表将来。
I am flying Beijing next week .表示我下周即将飞往。
He is leaving for Beijing tomorrow. 他明天即将去。
过去进展时
：表示过去某段时间或某一时刻正在发生或进展的行为或动作。
：at this time yesterday, at that time或以when引导的谓语动词是一般过去时的时间状语等。
：was/were + doing
：was/were + not + doing.
：把was或were放于句首。
：At that time she was working in a PLA unit.
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When he came in, I