You can't be late for sachool.

改为祁使句,怎么改?

Don't be late for school.  Right?

do and be 能在一起吗?

对, 就是这样啊

可以的:lol

祈使句的否定形式就是直接在句前加don't

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原帖由 <I>pai314</I> 于 2007-6-16 14:53 发表 You can't be late for sachool. 改为祁使句,怎么改? Don't be late for school. Right? do and be 能在一起吗?

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<P>在这，be 相当于是 动词原型。</P>
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<P>否定祈使句就是</P>
<P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Don't&nbsp;&nbsp; +&nbsp;&nbsp; 祈使句。</P>

That' s true.

Don't be late for school.

Don't be late for school.

　就是这样的．