1.I like swimming(改为否定句) I_don't___like swimming2.tom [went fishing]last weekend.(括号部分提问) _What____ __did___tom__do___last weekend? 3.we went to beijing [by train](括号部分提问) __How___ ___did__you_go__to beijing 4.they are watching tv(改为一般疑问句) _Are___ they_watching___tv? 5.I didn't take pictures last week.(改为肯定句) I__took___pictures last week.