是would better not do 还是would better not to do

是would better not do 还是would better not to do

题目
是would better not do 还是would better not to do
答案
you 'd better not do 是正确的.
you would better do ,you would better not do .
would better最好怎么样怎么样,后面 动词用原形.不用不定式.
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