能不能给我讲一下这些语法的用处?

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/12 16:50:45

能不能给我讲一下这些语法的用处?
i had .
i have.
i have been ...ing
i have been ...ed
i was taken
i am taken
still
already
yet
also

i had .我有（过去时态）；我得.
例如：I had a phone.我曾有一部手机.
I had better go.我最好还是去吧.
i have.我有（一般时态）.
I have a phone.我有一部手机.
i have been ...ing现在完成进行时态
I have been doing this job since last month.自从上个月起,我就已经从事这个工作了.
i have been ...ed 现在完成时态
I have been finished this job.我已经完成这个工作了.
i was taken 过去时态的被动时态
I was taken back by Tom.我TOM带回来的.
i am taken 现在时态的被动时态
still 仍然
already 已经
yet 也（用于否定句）
I haven't finished it yet.我也还没有完成.
also也（用于肯定句）
I also went there.我也去过那里.

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