八下英语被动语态被动语态改写You did not check the settings before opening
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The setting did not checked by you before opening your new e-dictiaoary.

方法就是找到原文中的宾语,这句子中就是settings了,被动的意思就是将宾语前置,形式为宾语+ be动词+ 一般动词的过去完成时+ 主语

单数和不可数名词用am/is/was 其中现在时用am/is过去时用was

复数现在时用are,过去时用were

I take the book.------The book is taken by me.

The news surprised me.-----I was surprised by the news.

补充问题中,用was和is 都可以