1.watch a movie/ watches a movie; 2.watched a movie; 3.will watch a movie; 4.would watch a movie 5.be watching a movie 6.was/were watching a movie 7.have/ has watched a movie 8.had watched a movie 9.am/is/are/ watched a movie语义不通?10.was/ were watched a movie 11.have been watched a movie 12.can/must/ may...be watched a movie.只能这么看形式了,被动的语义说不通的.