I might understand you might understand he might understand we might understand you might understand they might understand
V-ing form
I might be understanding you might be understanding he might be understanding we might be understanding you might be understanding they might be understanding
Perfect
I might have understood you might have understood he might have understood we might have understood you might have understood they might have understood
V-ing perfect
I might have been understanding you might have been understanding he might have been understanding we might have been understanding you might have been understanding they might have been understanding
Negation
Simple form
I mightn't understand you mightn't understand he mightn't understand we mightn't understand you mightn't understand they mightn't understand
V-ing form
I mightn't be understanding you mightn't be understanding he mightn't be understanding we mightn't be understanding you mightn't be understanding they mightn't be understanding
Perfect
I mightn't have understood you mightn't have understood he mightn't have understood we mightn't have understood you mightn't have understood they mightn't have understood
V-ing perfect
I mightn't have been understanding you mightn't have been understanding he mightn't have been understanding we mightn't have been understanding you mightn't have been understanding they mightn't have been understanding
Interrogative form
Simple form
might I understand? might you understand? might he understand? might we understand? might you understand? might they understand?
V-ing form
might I be understanding? might you be understanding? might he be understanding? might we be understanding? might you be understanding? might they be understanding?
Perfect
might I have understood? might you have understood? might he have understood? might we have understood? might you have understood? might they have understood?
V-ing perfect
might I have been understanding? might you have been understanding? might he have been understanding? might we have been understanding? might you have been understanding? might they have been understanding?
Interro-negative form
Simple form
mightn't I understand? mightn't you understand? mightn't he understand? mightn't we understand? mightn't you understand? mightn't they understand?
V-ing form
mightn't I be understanding? mightn't you be understanding? mightn't he be understanding? mightn't we be understanding? mightn't you be understanding? mightn't they be understanding?
Perfect
mightn't I have understood? mightn't you have understood? mightn't he have understood? mightn't we have understood? mightn't you have understood? mightn't they have understood?
V-ing perfect
mightn't I have been understanding? mightn't you have been understanding? mightn't he have been understanding? mightn't we have been understanding? mightn't you have been understanding? mightn't they have been understanding?