used to name or describe people or things
Be happy with what you have.
对你所拥有的感到快乐。
used to describe a situation or opinion
It would be nice to see you again.
再次见到你会很好。
to exist or be present
There must be a reason for this.
这其中一定有原因。
to be in a place
The keys should be on the table.
钥匙应该在桌子上。
used to say where someone is from
She will be from France.
她将来自法国。
to happen at a time or place
The event will be at 3 PM.
活动将在下午3点举行。
to stay in a place
Please be here until I return.
请在这里等到我回来。
to attend or be present
I will be at the meeting.
我会参加会议。
used to talk about time
It might be time to leave.
可能是时候离开了。
to cost
The book will be ten dollars.
这本书将是十美元。
to equal
Let the answer be 42.
让答案是42。
to visit or come
Has the doctor been here yet?
医生来过这里了吗?
used to say what something is made of
This cup might be plastic.
这个杯子可能是塑料的。
used to say who something is for
This gift will be for you.
这份礼物将是给你的。
used to say how important something is
Money should not be everything.
金钱不应该是全部。
used to form continuous tenses
I will be waiting for you.
我会等着你。
used to make question tags
You are coming, aren't you?
你要来,不是吗?
used to form passive voice
The work will be done soon.
工作很快就会完成。
used to avoid repeating a verb
She was not invited, but I was.
她没有受到邀请,但我受到了。
used to say what must be done
You are to finish your homework.
你必须完成你的作业。
used to say what is planned
They are to meet tomorrow.
他们计划明天见面。
used to say what happened later
He was to become famous.
他后来变得出名了。
used to say what did not happen
She was never to return.
她再也没有回来。
used to express a condition
If I were to go, would you come?
如果我去的话,你会来吗?