should和ought to的肯定、否定、疑问及其回答的形式?意义?重点?

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should和ought to的肯定、否定、疑问及其回答的形式?意义?重点?

should和ought to的肯定、否定、疑问及其回答的形式?意义?重点?
should和ought to的肯定、否定、疑问及其回答的形式?意义?重点?

should和ought to的肯定、否定、疑问及其回答的形式?意义?重点?
should should not should i go to school?yes,you should.
应该(偏向于主观)
ought to ought not to ought i to go to school?yes,you ought to.
应该(偏向于客观事实)

should和ought to都可译为“应该”,表示义务、责任或某个正确的行为。ought to比should语气略强些,多用于肯定句;疑问句与否定结构则多用should。should/ought to +have +过去分词表示过去应该做(或完成)而没有做的事。
He ought to have returned by now.
He had to change his ...

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should和ought to都可译为“应该”,表示义务、责任或某个正确的行为。ought to比should语气略强些,多用于肯定句;疑问句与否定结构则多用should。should/ought to +have +过去分词表示过去应该做(或完成)而没有做的事。
He ought to have returned by now.
He had to change his plans, but he should be returning soon.

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