般过去式第三人称单数形式否定句是加didn't
如：She didn't fihinsh doing her homework yesterday.
而一般现在时,当主语是第三人称单数时,从用 doesn't
如：She doesn't go to school by bus.
不明白的再问哟,请及时采纳,多谢!
一般过去式第三人称单数形式否定句是加didn't还是does't?
般过去式第三人称单数形式否定句是加didn't
如：She didn't fihinsh doing her homework yesterday.
而一般现在时,当主语是第三人称单数时,从用 doesn't
如：She doesn't go to school by bus.
不明白的再问哟,请及时采纳,多谢!