it has often broken down.是一句什么时态的句子,

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/15 12:30:18
it has often broken down.是一句什么时态的句子,

it has often broken down.是一句什么时态的句子,
it has often broken down.是一句什么时态的句子,

it has often broken down.是一句什么时态的句子,
是一个病态的句子.
it is often broken down.
或it has been broken down
它经常被破坏

完成时,break down是用来表示:什么东西经常出错、不能正常运作。
如: 电脑死机或车抛锚等。
这个短语和often一起出现时,一般不用完成时,只要一般现在时就可以了,即:
It often breaks down.

simple present.