讲believe时,有i belive so/not ,其中否定没前移,然后又讲i don't believe到底否定他

believe 必须有从句时候才能否定前移吗?单句i believe not可以写成i don‘t believe吗? 否定前移后有两个动词 比如说I don't believe don't是一个believe是一个 I don't believe so和I'm not believe so 哪个正确?为什么? believe; fear; hope 等词的否定形式哪些用I - not的形式,哪些用I don't - so,哪些两 i don't believe it和i don't believe so有这种用法么? 从句替代词的否定用SO ,NOT来代替一个句子,放在表看法,意见的动词后时,否定时一般有 I don't believe I believe not 对还是I don’t believe so 对 i don't believe so还是i believe bot 为什么不是I don't believe 而是 I believe not? I don't believe it./ I believe not. I don't believe I don\'t believe