各种时态的标志

1、各种时态的标志一、 现在完成时句子中有so far , up to now , till now ,until now , recently , lately , of late , these days , in the past / last few years时since 从句用一般过去时，主句用现在完成（进行）时，since / ever since /since then 在句末时，主句用现在完成时；for +一段时间（A:表包含现在在内的一段时间，此句用现在完成时，B:表不包含现在在内的一段时间，此句用一般过去时；）It/ This is the first time that .

2、从句用现在完成时； 在时间、条件状语从句中，用现在完成时表将来完成时。Eg. (1 I have learned English for ten years .（2）Lang Ping is the chief coach of our national volleyball team . But she was a coach for several years in America.(3 We have held a discussion recently. =We held a discussion recently.(4He has been writing his new novel

3、 these days.(5 I havent heard from him lately/ of late.(6 The unemployment rate in this district has fallen from 6 % to 3% in the past two years.(7According to Chinas Ministry of Health, HIV and AIDS cases in China have risen by 30% since 2005.(8 I have learned English for 3 years since I came here.

4、 (9 He said he had learned English for 3years since he had come here. (10 I have been teaching here for 15 years since 1999since I came here.(11 It is 3 years since I came here.(12It has been 3 years since I came here.(13 He said it was 3 years since he had come here.(14It is/has been 3 years since

5、my father smoked.( 译 自从我父亲不吸烟到现在3年了(15They moved to Beijing in 2008, and they have lived there since /ever since/since then.或And they have been living there since/ever since since/since then.(16 When you have finished with my dictionary, do not forget to put it on my desk.(17 Dont get off the train

6、until it has stopped 。 表现在完成二、过去完成时 had (been done by +过去时间，主句用过去完成时 before 从句是一般过去时，主句用过去完成时或一般过去时。 It /This was the first time that.从句用过去完成时凡是能推断出发生在“过去的过去”的动作或存在的状态，用过去完成时。 在虚拟条件句中，用过去完成时表示与过去相反。If I had studied hard before ,I would passed the last examination.三、 将来完成时1 by + 将来时间，主句用将来完成时2 根据语境推断

7、出用将来完成时四、 将来进行时当句子中出现将来的某个具体点时间或段时间或then (指将来的“那时候”Youd better not phone me between 8 and 10 tomorrow morning because I will be having an important meeting then.五、 一般过去时1 yesterday, last Monday , in 1980 , in the 1980s , 等具体的过去时间出现时2 when+ 过去时，主句用一般过去时或过去进行时3 有时用would do 表示过去常常做When he was at colleg

8、e ,he would go to the school library.4 虚拟语气条件句中用一般过去时表示与现在或将来事实相反。5 过去时用于固定句式中It is time that.从句中I would rather 从句中用一般过去时表与现在或将来相反I wish 从句中用一般过去时表与现在相反固定句式中的固定时态： It is /has been + 段时间+ since从句（用一般过去时）It was + 段时间+ since从句（用过去完成时）主句（现在完成进行时）+ since 从句（一般过去时）It will be + 段时间+ before 从句（一般现在时）It was

9、+ 段时间+ before 从句（一般过去时）It wont be long before 从句（一般现在时）It wasnt long before 从句（一般过去时） It is + 点时间 + when 从句（用一般现在时） It was + 点时间 + when 从句（用一般过去时）Its time that从句用一般过去时或should do Its the first time that 从句用现在完成时 sb. would rather + 从句（从句用一般过去时表示与现在或将来相反；用过去完成时表示与过去相反 ） sb. wish +从句（ 用一般过去时表示与现在相反 用wou

10、ld /could /might do 表与将来相反 用过去完成时表与过去相反 ）If 虚拟条件句中的固定时态英译汉：(1It has been/is three years since he came back.别于：It has been /is three years since his father smoked.(2 He said it was three years since he had come back.(3I have learned English for three years since I came here.(4It will be three years b

11、efore he comes back.(5It was three years before they moved again.(6It wont be long before he comes back.(7It wasnt long before they moved again.(8It is nine oclock when he comes back.(9It was 1980 when his brother joined the army.(10Its time that we had/should have our class(11Its the first time tha

12、t I have visited the Great Wall.(12I would rather you went home tomorrow /now.I would rather you had gone home yesterday.(13 I wish I were as young as you.How I wish I could go to the moon one day.I wish I had studied hard before, but in fact I didnt.(14If I were you , I would study hard.If I had studied hard before ,I would have passed the college examation.If it raine