@ificouldreturnit,
Quote:I wanted to ask you in my previous question whether all tenses can be used like this?
Yes.
He studies in his room.
He studied in his room.
He will study in his room.
He will have studied in his room.
If he were to study in his room.
If he were to have studied in his room.
He had studied in his room.
He would study in his room.
He would have studied in his room.
He has been studying in his room.
He will be studying in his room.
He will have been studying in his room.
He would be studying in his room.
He would have been studying in his room.
Use commas if you're going to put the prepositional phrase before the verb.
"She, in her room, studied English."