给你几个简单句子自己理解下,I/You/They don't like it; She/He doesn't like it; I/She/He/They didn't do it;I/She/He/They won't do it;She/He is not bad; they are not bad.(is not=isn't,are not=aren't) 给你几个简单句子自己理解下，I/You/They don't like it; She/He doesn't like it; I/She/He/They didn't do it;I/She/He/They won't do it;She/He is not bad; they are not bad.(is not=isn't,are not=aren't) 望采纳补充一个：I am not bad.