should和ought to用法及怎样表达称赞和同情

问题描述:

should和ought to用法及怎样表达称赞和同情

ought to :它比must语气弱,但婉转.They ought to be there by now. 他们现在一定到那了 一般用于肯定和否定句 ought 与不定式构成谓语动词.主要用法如下: ( 1 )表示应该做某事.例如: You ought to take his ...