- 句中有must.反意疑问句该怎么用?
- 句中有must .反意疑问句该怎么用?
- 1. must作“必须”解释, mustn't作“不允许”解释时
They must clean the floor, mustn't they/needn't they?
他们必须擦地板,是不是?
We must stay at home, mustn't we?
我们必须留在家里,是不是?
We mustn't be late, must/may we?
我们不许迟到,是不是?
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2. must表示推测时:
They must be playing basketball, mustn't they?
他们肯定在打,是不是?
摘自 赵振才教授《初高中英语考点难点详解词典》
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在国内的考试中,通常被认为正确的答案为:
Your brother must be anxious to know the particulars, isn't he?
He must have arrived by air, didn't he?
当must表示猜测的时候,在反意疑问句中应该这样:
a.当后跟的动词原形时,应当成一般现在时处理。
b.而当must后跟的是现在完成时,应当成一般过去时处理。