I might check you might check she might check we might check you might check they might check
V-ing form
I might be checking you might be checking she might be checking we might be checking you might be checking they might be checking
Perfect
I might have checked you might have checked she might have checked we might have checked you might have checked they might have checked
V-ing perfect
I might have been checking you might have been checking she might have been checking we might have been checking you might have been checking they might have been checking
Negation
Simple form
I mightn't check you mightn't check she mightn't check we mightn't check you mightn't check they mightn't check
V-ing form
I mightn't be checking you mightn't be checking she mightn't be checking we mightn't be checking you mightn't be checking they mightn't be checking
Perfect
I mightn't have checked you mightn't have checked she mightn't have checked we mightn't have checked you mightn't have checked they mightn't have checked
V-ing perfect
I mightn't have been checking you mightn't have been checking she mightn't have been checking we mightn't have been checking you mightn't have been checking they mightn't have been checking
Interrogative form
Simple form
might I check? might you check? might she check? might we check? might you check? might they check?
V-ing form
might I be checking? might you be checking? might she be checking? might we be checking? might you be checking? might they be checking?
Perfect
might I have checked? might you have checked? might she have checked? might we have checked? might you have checked? might they have checked?
V-ing perfect
might I have been checking? might you have been checking? might she have been checking? might we have been checking? might you have been checking? might they have been checking?
Interro-negative form
Simple form
mightn't I check? mightn't you check? mightn't she check? mightn't we check? mightn't you check? mightn't they check?
V-ing form
mightn't I be checking? mightn't you be checking? mightn't she be checking? mightn't we be checking? mightn't you be checking? mightn't they be checking?
Perfect
mightn't I have checked? mightn't you have checked? mightn't she have checked? mightn't we have checked? mightn't you have checked? mightn't they have checked?
V-ing perfect
mightn't I have been checking? mightn't you have been checking? mightn't she have been checking? mightn't we have been checking? mightn't you have been checking? mightn't they have been checking?