English verb conjugation
MAY CONTAIN

Regular verb: contain - contained - contained

Affirmation

Simple form	V-ing form
I may contain you may contain he may contain we may contain you may contain they may contain	I may be containing you may be containing he may be containing we may be containing you may be containing they may be containing
Perfect	V-ing perfect
I may have contained you may have contained he may have contained we may have contained you may have contained they may have contained	I may have been containing you may have been containing he may have been containing we may have been containing you may have been containing they may have been containing

Negation

Simple form	V-ing form
I mayn't contain you mayn't contain he mayn't contain we mayn't contain you mayn't contain they mayn't contain	I mayn't be containing you mayn't be containing he mayn't be containing we mayn't be containing you mayn't be containing they mayn't be containing
Perfect	V-ing perfect
I mayn't have contained you mayn't have contained he mayn't have contained we mayn't have contained you mayn't have contained they mayn't have contained	I mayn't have been containing you mayn't have been containing he mayn't have been containing we mayn't have been containing you mayn't have been containing they mayn't have been containing

Interrogative form

Simple form	V-ing form
may I contain? may you contain? may he contain? may we contain? may you contain? may they contain?	may I be containing? may you be containing? may he be containing? may we be containing? may you be containing? may they be containing?
Perfect	V-ing perfect
may I have contained? may you have contained? may he have contained? may we have contained? may you have contained? may they have contained?	may I have been containing? may you have been containing? may he have been containing? may we have been containing? may you have been containing? may they have been containing?

Interro-negative form

Simple form	V-ing form
mayn't I contain? mayn't you contain? mayn't he contain? mayn't we contain? mayn't you contain? mayn't they contain?	mayn't I be containing? mayn't you be containing? mayn't he be containing? mayn't we be containing? mayn't you be containing? mayn't they be containing?
Perfect	V-ing perfect
mayn't I have contained? mayn't you have contained? mayn't he have contained? mayn't we have contained? mayn't you have contained? mayn't they have contained?	mayn't I have been containing? mayn't you have been containing? mayn't he have been containing? mayn't we have been containing? mayn't you have been containing? mayn't they have been containing?