(4)would可以表示过去的习惯性动作,比used to正式,但没有“现已无此习惯”的含义。如:Last year our English teacher would sometimes tell us stories in English after class. (5)表猜测。如:It would be about ten when he left home./What would she be doing there?/I thought he would have told you about it. 12.used to,had better,would rather的基本用法 (1)used to表示过去的习惯性动作或状态,现在已不存在。 在间接引语中,其形式可以不变。如:He told us he used to play football when he was young.在疑问句、否定句、否定疑问句中,可有两种形式。疑问句:Did you use to/Used you to go to the same school as your brother?否定句:I usedn’t to/didn’t use to go there.(usedn’t也可写作usen’t)否定疑问句:Usen’t you to/Didn’t you use to be interested in the theatre?在其反义疑问句或简略回答中,也有两种形式。如:She used to be very fat,didn’t/use(d)n’t she?/—Used you to get up early in the morning?—Yes,I did/used to.
(2)had better意为“最好”,后接不带to的不定式。如:—We had better go now.—Yes,we had(we’d better/we had better)./Hadn’t we better stop now?(Had we better not stop now?)/I think I'd better be going.(用于进行时态,表示“最好立即”)/You had better have done that.(用于完成时态,表示未完成的动作) had better对同辈或晚辈使用,对长辈不可用。
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