worry

worry和worried的区别是worry既是名词，又是动词。 1、从时态方面讲，worried是worry的过去式，从主被动方面讲，worry是主动式，worried是被动式，动词的被动式是be+这个单词的过去形式，be worried about表示一个状态，而worry about表示一个动 ......

Your teen wants to get in shape this summer? What to say and when to worry | CNN If your children say they want to start exercising or working out mor ......