,英语I'm cold改为否定句式，在动词be后面加not就可以，答案就是I'm not cold，我不冷，如果句子中没有be动词或者情态动词，就要使用助动词do does或者Did，例如I don't do my homework today，He doesn't like swimming，My father didn't come back until ten o'clock last night，助动词后面都加动词的原形
否定句 I am not cold. 一般变法 含有 be 动词的肯定句，在be动词后面加not 变成否定句。
