Which is the best way to combine these sentences using correct punctuation? A.) After I started working with a tutor my grades i
mproved. B.) I started working with a tutor, then my grades improved. C.) After I started working with a tutor, my grades improved. d.) I started working with a tutor after my grades improved.
The answer to your question would be that the best way to combine these sentences using correct punctuation is the following one: After I started working with a tutor, my grades improved. That is, the correct option would be C.
"After I started working with a tutor" is an introductory clause. Introductory clauses are dependent clauses that provide background information or "set the stage" for the main part of the sentence, the independent clause.
