请大家帮我翻译一下几句话。谢谢！！！

1.We shouldn't form bad habits.
2.We mustn't make friends with bad person.
3.We ought to be happy and healthy students.

1-we shouldn't make bad habits.
2-we shouldn't make bad friends.
3-we should be good students with healthy and happy .

1.We can't have bad habits.
2.We can't make bad friends.
3.We should be a helthy and happy student.

1.We can't get into the bad habits.
2.we can't make bad friends.
3.we should become a healthy ,happy and good student.

1.We can't nurturance bad habits.
2.We can't make bad friends.
3.we should become good students with healthiness and happiness.