Question

10 afirmative,negative and questions de present perfect con el for o since

Answer 1

-I’ve beee here since monday
-Since he bought a new car, he's been much happier
-We hadn't eaten anything since we arrived
-I've been here for three hours
-I have been studying English since I started school
-John hasn’t helped me since 10:00 this morning.
-Those people haven’t been in Europe since August
-Have I been studying maths for two hours?
-has John helped me for 8 hours?
-Has she been singing for 30 minutes un the shower?