Greetings, I know that this sentence is perfect English. However, I think this one too is correct: I guess it only works with verb to be not with action verbs. To "prove" my point I have collected some sentences from the Web, and here they are: From an article by Elaine Kolodziej June 2, 2010) From a post: Since + simple present? So what do you think? Are there any restrictions or any notes you would like to point out? P.S. As a side: JulianStuart, Aug 6, 2009 A post: since + present simple - correct?