英语专业四级语法专题时态语态I. 比较活跃的时态1. 现在完成时_ conscious of my moral obligations as a citizen.A. I was and always will be B. I have to be and always will beC. I had been and always will beD. I have been and always will beWhich of the following words can NOT be used to complete “Weve seen the film _”?A. before B. recently C. lately D. yet现在完成时V.S. 现在完成进行时1）现在完成时表示动作已经结束，现在完 成进行时表示动作还在延续。2）现在完成时表示动作已经一次性完成， 而现在完成进行时则表示动作的反复发生 。Jack _ from home for two days now, and I am beginning to worry about his safety.A. has been missing B. has been missedC. had been missing D. was missed2.一般现在时Come and see me whenever _.A. you are convenientB. you will be convenientC. it is convenient to youD. it will be convenient to you现在进行时V.S. 一般现在时1）现在进行时表示正在进行的动作，一般现在 时表示习惯性的动作。2）现在进行时表示暂时性动作，一般现在时表 示持续性动作。How can I ever concentrate if you _ continually _ me with silly questions.A. have interrupted B. had interruptedC. are interrupting D. were interrupting3. 一般过去时He would have finished his college education, but he _ to quit and find a job to support his family.A. had had B. has C. had D. would have4. 一般将来时一般将来时的六种表达方式：will/shall /be to/be going to/be about to/bev-ing/be due to动原表示某个意图没有经过事先考虑,而是 在说话的时候才决定做某事用will；表示迹象表明要发生某事,强调主观想 法或意图，则只能用be going to；命中注定的事,隐含在未来之中的事,用 be to；be about to表示动作之快的将来,其后 不能接时间状语；be due to与时间表,旅行计划等有关。 Youve left the light on. Oh, so I have._ and turn it off. A. Ill go B. Ive gone C. I go D. Im goingII. 语态不及物动词无被动语态。 主动形式表示被动意义wash, clean, cook, iron, look, cut, sell, read, wear, feel, draw, write, sell, drive在need, require, want, worth (形容词), deserve后的动名词必须用主动形式。 被动形式表示主动意义 be determined, be pleased, be graduated (from), be finished, be prepared (for), be occupied (in), get married ，be interested in; be concerned with;