I can't see why you wait for her.
If you wait for the train, it'll stop at this platform.
It is a sentence. "Wait up" means wait for me.
The verb in the sentence is "wait."
The clerk will wait on whom is next is the proper sentence. Who is only used when it is the subject of a verb.
the jubilant dog couldn't wait to get his steak
Went.
i need to Wait
The imperative command ("Wait!") is a sentence. It is equivalent to "you should wait" or "you must wait". The subject (you) is understood, as in other forms of direct address.
We will have to wait for the rigger to set up the scaffolding before we can start the work.
In this sentence, "until" is used to specify a timeframe. Janice will continue waiting for us until noon, after which she will leave. It indicates the limit of time for her to wait before departing.
Im coming, Wait!
Example sentence - We will wait at the train station for the rest of our travel companions.
The word "Wait!" is an imperative sentence (you should wait!).The sentence "You left your purse" is a declarative sentence.There is no preposition anywhere in these.Perhaps the word sought was interjection, which "hey" would be, but not "wait."