Изменить предложения на отрицательные и положительные. dogs can jump. a cat can skip. but it can`t swim. big pigs can`t run. tom`s can is funny/ a duck can`t sing. tricky isn`t angry. tricky is merry. i am not angry.
Dogs can't jump. A cat can't swim. But it can swim. Big pigs can run. Tom's can is not funny. A duck can sing. Tricky is angry. Tricky isn't merry. I am angry.
