核心问题
He does speak well! 请分析句中 does 的用法。
词典解答
英语的助动词 do 有一个很主要的用法: 在肯定句中表示强调。应注意, 在这种用法下它只有现在时(do, does)和过去时(did)。这种用法叫做强调肯定式(emphatic positive), 其作用在于排除否定性的观点:
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So you did come after all. (Dreiser) 你毕竟还是来了。
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But I do think you are a good cook. (CGEL) 但是,我确实认为你是个好厨师。(暗含的意思:你可能以为我并不这样认为。)
练习题
请做下面的英语试题：
- An awful accident ____, however, occur the other day.
386 A. does B. did C. has to D. had to(上海高考,00-38)
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“Are you going to stay at the lake?” “If I ____, I'll let you know.” A. will stay B. staying C. do stay D. stayed(TOEFL)
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“Cars moved very slowly in the 1920's.” “Yes, but, they ____ move more quickly than in 1910's.” A. were to B. did C. will D. can(TOEFL)