It doesn't seem to be logical. 这似乎不合逻辑。
I don't think you are right.我认为你不对。
He didn't go there by bus. 他不是乘公共汽车去的。
I don't teach because teaching is easy for me. 我之所以教书,并不是因为教书容易。
In no circumstances should we be conceited.我们绝不应该骄傲自满。
但有些否定词的位置不同,含义也不同。
I haven't decided to go there. 我没决定去不去那儿。
I have decided not to go there.我已决定不去那儿。
这类词还有 advise,tell,ask,require,request,pretend 等。