专插本英语时态.pptVIP

一般现在时 经常发生或反复发生的动作 She visits her parents every day. He smokes a lot. 常与表习惯的副词 always, every time, now and then(偶尔), occasionally(偶尔), often, seldom(极少), sometimes, usually等连用。 现在进行时 be+ving 1 表示正在进行的动作或现阶段在持续进行未完成的动作 He is talking in class. I am reading papers right now. She is writing a report these days. 一般将来时 will / shall do 表示将来发生的动作或状态，常与表示将来的时间状语连用，如：tomorrow, next week, in a few days, next Sunday I shall/will graduate next year. He will be back in a few days. 　　　 一般过去时 1) 表示过去某个时间发生的动作或情况。常与表示过去的时间状语连用，如： He was here just now. I went to the cinema last night. 现在完成时 have(has)+Ved 1) 表示从过去某时开始一直延续到现在的动作和状态。通常与“for, since，so far, up to now, until now ”等表时间的状语连用 我在教室里坐了几个小时了. I have sat for hours in the classroom. 我至今没去过欧洲. I haven’t been to Europe so far. 过去进行时 （were/was+ Ving) 表示过去某一时刻正在进行的动作。 当我进来时他在看电视. _________________ when I came in. 昨天这时候我在上课. _________________ this time yesterday. 过去完成时(had done) 表示过去某时间前已经发生的动作或情况 I had stayed in Beijing for three years by 2003. 过去将来时从过去观点看将要发生的事。“would+V.” 常用于从句（尤其是宾语从句）中 I knew you would agree. He told me he would wait for me outside. 将来进行时(will be doing) 在将来的某个具体时间正在发生的动作 What will you be doing at six tomorrow evening? This time next day they will be sitting in the cinema. 将来完成时(shall/will have done) Since the introduction of the new technique, the production cost生产成本 _____ greatly.(2000B) reduces降低 B. is reduced C. is reducing D. has been reduced D Up till now I (spend) _________ a great deal of money on books. (2003B) In these 5 years, the foundation基金会 (collect) _____________ a large amount of money. (2003B) have spent has collected In 2 months’ time he (finish) _______ his training and start to work. (2000B) will finish January 1st, 1997 is the historic date when Britain (join) ________ the Common Market共同市场.(2000A) joined Thirty percent of Jane’s income收入 _____ on clothing every year. (2001B) A. is spent B. is being spen