I'd .这是什么的缩写?

问题描述:

I'd .这是什么的缩写?
1 我已经跟你说过了
I’d told you
2 我们完了
we'd finished
这其中的“I’d和we'd”是什么的缩写?

I’d told you
这里I’d是I had
we'd finished
这里we'd是 we had
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有时,I'd=I would
例I'd like a cup of tea.