动词的时态与主谓一致.pptVIP

另外：“It is/ has been + 一段时间+ since 从句…”中，从句动词通常用过去时，主句用完成时。 It has been 4 months since his mother died. 我成为一个学生有八年了。 I have been a student since 2002. I have been a student for 8 years. I have been a student since 8 years ago. It has been 8 years since I became a student. 现在完成时标志词归纳 Already/since/yet/recent So far Up till now Up to the present In/for/during the past/last few days/weeks/months/years 一般过去时 一般过去时表示过去某个时间完成的动作，或者一度存在的状态。 My cousin went to Canada two years ago. He worked there for a few months and then went to America. 真题训练 1.the year 2002____ remarkable changes in a Shanghai’s landscape. (2005 春 上海) A. sees B. has seen C.saw D. had seen Answer: C 目睹、经历 过去时间的标志词 真题训练 More than a dozen students in that school ____ abroad to study medicine last year. （2005上海） A. sent B. were sent C. had sent D. had been sent 过去时间的关键词 真题训练 ---- oh, it is you! I ___ you. ---- I’ve just had my hair cut, and I am wearing new glasses.（1996 上海） A. didn’t recognize B. hadn’t recognized C. haven’t recognized D. don’t recognize 小归纳 表一般过去时的常考标志词 Last: week, month, year, night Yesterday: morning, afternoon, evening 介词+时间点：at eight o’clock, in 2008 真题训练 When he turned professional at the age of 11, Mike ____ to become a world champion by his coach and parents. A. expected B. was expecting C. was expected D. would be expected Answer: C 一般过去时的被动语态。 过去进行时 1. 过去进行时表示过去某一时刻正在进行的动作。这一特定的时间可与时间状语连用。如：at that time; at 8 o’clock; when… 2.过去进行时常用于由when、while、as引导的时间状语从句中，表示背景，引出由一般过去时表示的新动作。或： 过去进行时（表示背景）+when+ 一般过去时（新发生的动作）。此时when 相当于at that time; just then. 真题训练 The reporter said that the UFO ___ east to west when he saw it. A.was travelling B. travelled C. had been travelling D. was to travel Answer: A Last month, I visited her, and she ____ a book, but I don’t know whether she has finished it or not. A. was writing B. wrote C. has written D. had written. 过去完成时 过去完成时是以过去为基点，表示某一动作或存在的状态发生在过去的某一段时间或动