题目内容：

Be careful,or you will hurt yourself.同义句转换
If you don't careful,you will hurt yourself转换的对吗,是用don't还是用aren’t careful ,don
't和aren't总是不知怎么用

优质解答

If you don't be careful,you will hurt yourself
You will hurt yourself ,unless you are careful
careful 是形容词,要与be动词连用
don't是助动词,后面接原形动词,不能直接加形容词