you'd better后面接don't spend;not to spend;to not spend还是not spend?

问题描述:

you'd better后面接don't spend;not to spend;to not spend还是not spend?

not spend
had better相当与一个助动词,它的后面要跟动词原形; 它的否定式是在它后面加not,然后用动词原形.