在中,單獨(dú)考察的題幾乎沒有,,但是語(yǔ)法知識(shí)點(diǎn)卻貫穿整張?jiān)嚲?,下面是小編為大家整理的英語(yǔ)四級(jí)知識(shí),希望可以為大家?guī)韼椭?,一起來學(xué)習(xí)一下吧,。
延續(xù)動(dòng)詞與瞬間動(dòng)詞
1) 用于完成時(shí)的區(qū)別 延續(xù)動(dòng)詞表示經(jīng)驗(yàn)、經(jīng)歷; 瞬間動(dòng)詞表示行為的結(jié) 果,,不能與表示段的時(shí)間狀語(yǔ)連用,。 He has completed the work.他已完成了那項(xiàng)工作。 (表結(jié)果) I've known him since then. 我從那時(shí)起就認(rèn)識(shí)他了,。(表經(jīng)歷) 2)用于till / until從句的差異 延續(xù)動(dòng)詞用于肯定句,,表示"做……直到……" 瞬間動(dòng)詞用于否定句,,表示"到……,才……" He didn't come back until ten o'clock. 他到10 點(diǎn)才回來,。 He slept until ten o'clock. 他一直睡到10點(diǎn),。 典型例題
1. You don't need to describe her. I ___ her several times. A. had metB. have met C. metD. meet 答案B. 首先本題后句強(qiáng)調(diào)對(duì)現(xiàn)在的影響,我知道她的模樣,,你不用描述,。再次,several times告知為反復(fù)發(fā)生的動(dòng)作,,因此用現(xiàn)在完成時(shí),。
2.---I'm sorry to keep you waiting. ---Oh, not at all. I ___ here only a few minutes. A. have been B. had been C. wasD. will be 答案A. 等待的動(dòng)作由過去開始,持續(xù)到現(xiàn)在,,應(yīng)用現(xiàn)在完成時(shí),。