初中英语时态总结.doc

初中英语时态总结英语的时态( tense )是一种动词形式,不同的时态用以表示不同的时间与方式。下面就英语中常见的八种基本时态进行阐述, 其它的时态都是在这八种时态的基础上结合而成的。一、一般现在时: 1. 概念:经常、反复发生的动作或行为及现在的某种状况。 2. 时间状语: always, usually, often, sometimes, every week (day, year, month …), once a week, on Sundays, 3. 基本结构: 动词原形( 如主语为第三人称单数, 动词上要加(e) S) 4. 否定形式: am/is/are+not; 此时态的谓语动词若为行为动词, 则在其前加 don't, 如主语为第三人称单数, 则用 doesn't , 同时还原行为动词。 5. 一般疑问句: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,则用 does ,同时,还原行为动词。 6. 例句: . It seldom snows here. He doesn't like dogs. Do yougo fishing every week? Does she eat out on Sundays? He is always ready to help oth Action speaks louder than words. 二、一般过去时: 1. 概念: 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。 2. 时间状语: 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. 3. 基本结构: be 动词;行为动词 4. 否定形式: was/were+not; 在行为动词前加 didn't , 同时还原行为动词。 5. 一般疑问句: was 或 were 放于句首; 用助动词 do 的过去式 did 提问,同时还原行为动词。 6. 例句: She was at home last night. She often came to help us in those days. Did he buy a pen the day before yesterday? I didn't know you were so busy. 三、现在进行时: 1. 概念:表示现阶段或说话时正在进行的动作及行为。 2. 时间状语: now, at this time, these days, etc. 3. 基本结构: am/is/are+doing 4. 否定形式: am/is/are+not+doing. 5. 一般疑问句:把 be 动词放于句首。 6. 例句: How are you feeling today? He is doing well in his lessons. We are preparing for our exams these days. Look! He is listening to the music. 四、