戴健秋英语笔记
2015-11-10 07:45:18 0 举报AI智能生成
戴健秋英语笔记
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大纲/内容
must
must do
you must read while writing，need not you？
must not do
Everyone must not play a mobile phone ,must he?
must have done
didn't sb(一般过去式）
They must have played football yesterday afternoon,didn't they?
haven't/hasn't sb
He must have told the news to his girlfriend,hasn't he?
have/has done
in the past months
over the past years
Flash
a flash of light
flashed in my mind
construction
being constructed
under construction
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