英语中表肯定的猜测和否定的猜测分别有哪些词?

must must must+5(have7) 猜测90%肯定 注：肯定用must 疑问否定用can,can't
can can can't+5(have7) 猜测90%不可能
may may may+5(have7) 猜测50%有可能 注：肯定用may,could 疑问否定用could,couldn't
could could couldn't+5(have7) 猜测50%可能不
might might might+5(have7) 猜测30%差不多 疑问否定用might,mightn't