UC知道★★改被动语态1个★★
来源：百度知道 编辑：UC知道 时间：2024/06/24 09:14:13
When does he often do his homework?
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When is his homework often done (by him)?
主动改被动要注意三点:
1.时态要一致,一般现在是还是要用一般现在是:is /are.
2.宾语变成主语,主语+by置于句末,可以省略.
3.语序不变.
When is his homework often done by him?
When is his homework often done (by him)?