Воткните глагол в правильной форме: John never to America before

Воткните глагол в правильной форме:
John never to America before (sail). Our group reading for the exam yet (not start). We this garage ourselves and have just put it up for sale (build). You ever to Colombia (be)? His son here in an hour (be). I still preparing for the concert (finish, not). You Ivanovs family since they went to Kyiv (see)? My friends (leave). They went away half an hour ago. I coffee this morning (have). My grandparents a lot since 2012 to 2014 (travel). I German since childhood (study). I on the Black Sea this summer (rest). How long you in prison (be)? For about two years.
Помогите!!!