昨天我生病了，但今天好多了。

I was ill yesterday, but I'm better today.

youdao

我确信他昨天生病了。

I ___ ___that he was ill yesterday.

youdao

昨天要是不生病，我是可能来上学的。(事实上我生病了)。

If I hadn't been ill yesterday, I might have come to school.

youdao

我昨天没看见他。他一定生病了。

I didn't see him yesterday. He must have be ill.

youdao

我想我是因为昨天露营而生病了。

I think I'm sick from that camping trip yesterday.

youdao

我确信他昨天生病了。

I'm sure he was ill yesterday.

youdao

我确信他昨天生病了。

I'm sure he was ill yesterday.

youdao