you had better not to spend...you had better not to spend too much time...you had better not spend too much time 以上两个句子哪个正确had better not do sth还是had better not to do sth
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第二个对had better do
had better not do
就是这样,我可以肯定,没有to
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供参考答案1:
第二个，因为had better do sth. 否定式就是had better not do sth。就像should do sth和should not do sth.一样，加个not就行。