English verb conjugation
MAY UNDERSTAND

Irregular verb: understand - understood - understood

Affirmation

Simple form	V-ing form
I may understand you may understand he may understand we may understand you may understand they may understand	I may be understanding you may be understanding he may be understanding we may be understanding you may be understanding they may be understanding
Perfect	V-ing perfect
I may have understood you may have understood he may have understood we may have understood you may have understood they may have understood	I may have been understanding you may have been understanding he may have been understanding we may have been understanding you may have been understanding they may have been understanding

Negation

Simple form	V-ing form
I mayn't understand you mayn't understand he mayn't understand we mayn't understand you mayn't understand they mayn't understand	I mayn't be understanding you mayn't be understanding he mayn't be understanding we mayn't be understanding you mayn't be understanding they mayn't be understanding
Perfect	V-ing perfect
I mayn't have understood you mayn't have understood he mayn't have understood we mayn't have understood you mayn't have understood they mayn't have understood	I mayn't have been understanding you mayn't have been understanding he mayn't have been understanding we mayn't have been understanding you mayn't have been understanding they mayn't have been understanding

Interrogative form

Simple form	V-ing form
may I understand? may you understand? may he understand? may we understand? may you understand? may they understand?	may I be understanding? may you be understanding? may he be understanding? may we be understanding? may you be understanding? may they be understanding?
Perfect	V-ing perfect
may I have understood? may you have understood? may he have understood? may we have understood? may you have understood? may they have understood?	may I have been understanding? may you have been understanding? may he have been understanding? may we have been understanding? may you have been understanding? may they have been understanding?

Interro-negative form

Simple form	V-ing form
mayn't I understand? mayn't you understand? mayn't he understand? mayn't we understand? mayn't you understand? mayn't they understand?	mayn't I be understanding? mayn't you be understanding? mayn't he be understanding? mayn't we be understanding? mayn't you be understanding? mayn't they be understanding?
Perfect	V-ing perfect
mayn't I have understood? mayn't you have understood? mayn't he have understood? mayn't we have understood? mayn't you have understood? mayn't they have understood?	mayn't I have been understanding? mayn't you have been understanding? mayn't he have been understanding? mayn't we have been understanding? mayn't you have been understanding? mayn't they have been understanding?