作业帮高一英语 情态动词判断正误1 They ought to help that old lady,oughtn't to they?2 You don't have to come if you don't want to.3 But for the heavy rain,they ought to arrive early.4 We have not to hand in the paper right now.5 He doesn't have
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高一英语 情态动词判断正误1 They ought to help that old lady,oughtn't to they?2 You don't have to come if you don't want to.3 But for the heavy rain,they ought to arrive early.4 We have not to hand in the paper right now.5 He doesn't have
高一英语 情态动词
判断正误
1 They ought to help that old lady,oughtn't to they?
2 You don't have to come if you don't want to.
3 But for the heavy rain,they ought to arrive early.
4 We have not to hand in the paper right now.
5 He doesn't have to work so late at night.
6 They mustn't have told the bad news to the girl because she looked happy.
要说明原因 谢谢
高一英语 情态动词判断正误1 They ought to help that old lady,oughtn't to they?2 You don't have to come if you don't want to.3 But for the heavy rain,they ought to arrive early.4 We have not to hand in the paper right now.5 He doesn't have
F （ought to 的反意疑问句形式是oughtn't或shouldn't ,不需要to）
T
F （此句有虚拟语气,“要不是下雨,他们应该到了“.所以,ought to arrive 改为should have arrived）
F （have to 的否定式是 don't have to,不能在have后面加not）
T
F （mustn't have told 改为 shouldn't have told）
如不明白,
1 末尾改成 oughtn't they
2 You won't have to
3 they outght to have arrived 要不是这场大雨，他们 早就应该到了。虚拟语气
4 We don't have to hand 情态动词 have to 的否定形式不是直接加not,而是 don't have to
5 work till so late 工...
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1 末尾改成 oughtn't they
2 You won't have to
3 they outght to have arrived 要不是这场大雨，他们 早就应该到了。虚拟语气
4 We don't have to hand 情态动词 have to 的否定形式不是直接加not,而是 don't have to
5 work till so late 工作“到”这么晚
6 They mustn't tell the bad news 一定不要，真实条件，不用虚拟
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