English verb conjugation
CAN CONTAIN

Regular verb: contain - contained - contained

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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