将下列句子变成否定句和肯定句

Question

1.They swim every day 2.They are swiming right now 3.They going to swim tomorrow

Answer 1

1.否定句 They don't swim every day.（肯定句就是原句）
2.否定句 They aren't swimming right now.（肯定句就是原句）
3.否定句 They are not going to swim tomorrow.（肯定句就是原句）

Answer 2

1.They don't swim every day.
2.They aren't swimming right now.
3.They aren't going to swim tomorrow.
原句都是肯定句。好好学哈！