Is She would have come correct?

The sentence "She would have come" is grammatically correct.

It's in the conditional perfect tense, which is used to talk about something that could have happened in the past but did not.

Here's a breakdown of why it's correct:

* She is the subject

* would have is the auxiliary verb indicating a conditional statement

* come is the past participle of the verb "to come"

Example: She would have come to the party, but she was sick.

Let me know if you have any other sentences you want to check!