來源:網絡資源 2023-01-09 15:49:33
助動詞have(has, had, having)的用法
(1)助動詞have可以構成完成時或完成進行時
He has been a doctor for 10 years.他當醫生十年了。This is the place I have been longing to visit.這就是我一直渴望參觀的地方。
(2)和不定式構成謂語,表示客觀上不得不做的事情。We've missed the train. We'll have to wait for another one.我們己經誤了火車,我們只能等下一列。
-Do we have to start work?我們得立刻工作嗎?
-No. We don't have to.不,不必了。
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