2020专四词汇语法考点练习题：时态

2020专四词汇语法考点练习题：时态

　　专四词汇语法题即专四语言知识题，题型为选择题供20题，考察考生词汇、语法、句法、短语，华宇在线英语专四频道整理了九类专四词汇语法考点练习题附答案解析供考生们练习。

　　1. How can I ever concentrate if you _____ continually ____ me with silly questions? (97)

　　A. have … interrupted B. had … interrupted

　　C. are … interrupting D. were … interrupting

　　C，现在进行时与always, continually, constantly连用表示某种带有感情色彩，经常发生的动作。本句暗含责备之义。

　　2. Come and see me whenever ______. (97)

　　A. you are convenient B. you will be convenient

　　C. it is convenient to you D. it will be convenient to you

　　C，whenvever引导的时间状语从句用一般现在时表将来;convenient一词只能说it is convenient to sb.

　　3. For some time now, world leaders __ out the necessity for agreement on arms reduction. (02)

　　A. had been pointing B. have been pointing C. were pointing D. pointed

　　B，现在完成进行时表示动作从过去某一时间开始延续到现在，并可能继续。

　　4. Jack _____from home for two days now, and I am beginning to worry about his safety. (03)

　　A. has been missing B. has been missed C. had been missing D. was missed

　　A，同上。“杰克离家两天(到现在还没回)，我开始担心他的安全。”

　　5. _________ conscious of my moral obligations as a citizen. (05)

　　A. I was and always will be B. I have to be and always will be

　　C. I had been and always will be D. I have been and always will be

　　D， ABC三项前后两个时态不一致，只有D项中现在完成时与将来时搭配一致。