Here's why:
* Subject: The subject of a sentence is the person or thing that performs the action of the verb.
* Verb: The verb in this sentence is "did see."
* Who did see the movie? You did.
Here's why:
* Subject: The subject of a sentence is the person or thing that performs the action of the verb.
* Verb: The verb in this sentence is "did see."
* Who did see the movie? You did.