情态动词

may 45, might 12, can41, could11, would 10, will 7, should 2, must 2

情态副词

perhaps 5, probably1, certainly 1

情态形容词

likely 4, It is possible that...2

表推测的情态表达式

It seems that ...11, It appears to be...8, It can be assumed that...1, we can surmise that...1, we speculate that..1

表心理的情态表达式

To my knowledge 2, I consider 2, I believe 3, we believe 1