I think he is at home now (改为否定句）

I think he is at home now (改为否定句） 1.I think he is at home at moment.(改为否定句） I think he is at home.改为否定句.为什么一定要改成I don't think he is at h 几道英语问题.1.I think he is at home.(改为否定句）是I think he isn't at h i think he is doing sports right now（改为否定句） he is at home,too(改为否定句） He is watching TV at home.(改为否定句） l think Tom is at home改为否定句 l（）think Tom （）at hom I think he's at home.(否定句) I think she is at home 变否定句 I think he is right.(改为否定句）I（）（）he is right.帮下忙啊 I think she is good at listening.改为否定句!