English verb conjugation
CAN COOPERATE

Regular verb: cooperate - cooperated - cooperated

Affirmation

Simple form	V-ing form
I can cooperate you can cooperate he can cooperate we can cooperate you can cooperate they can cooperate	I can be cooperating you can be cooperating he can be cooperating we can be cooperating you can be cooperating they can be cooperating
Perfect	V-ing perfect
I can have cooperated you can have cooperated he can have cooperated we can have cooperated you can have cooperated they can have cooperated	I can have been cooperating you can have been cooperating he can have been cooperating we can have been cooperating you can have been cooperating they can have been cooperating

Negation

Simple form	V-ing form
I can't cooperate you can't cooperate he can't cooperate we can't cooperate you can't cooperate they can't cooperate	I can't be cooperating you can't be cooperating he can't be cooperating we can't be cooperating you can't be cooperating they can't be cooperating
Perfect	V-ing perfect
I can't have cooperated you can't have cooperated he can't have cooperated we can't have cooperated you can't have cooperated they can't have cooperated	I can't have been cooperating you can't have been cooperating he can't have been cooperating we can't have been cooperating you can't have been cooperating they can't have been cooperating

Interrogative form

Simple form	V-ing form
can I cooperate? can you cooperate? can he cooperate? can we cooperate? can you cooperate? can they cooperate?	can I be cooperating? can you be cooperating? can he be cooperating? can we be cooperating? can you be cooperating? can they be cooperating?
Perfect	V-ing perfect
can I have cooperated? can you have cooperated? can he have cooperated? can we have cooperated? can you have cooperated? can they have cooperated?	can I have been cooperating? can you have been cooperating? can he have been cooperating? can we have been cooperating? can you have been cooperating? can they have been cooperating?

Interro-negative form

Simple form	V-ing form
can't I cooperate? can't you cooperate? can't he cooperate? can't we cooperate? can't you cooperate? can't they cooperate?	can't I be cooperating? can't you be cooperating? can't he be cooperating? can't we be cooperating? can't you be cooperating? can't they be cooperating?
Perfect	V-ing perfect
can't I have cooperated? can't you have cooperated? can't he have cooperated? can't we have cooperated? can't you have cooperated? can't they have cooperated?	can't I have been cooperating? can't you have been cooperating? can't he have been cooperating? can't we have been cooperating? can't you have been cooperating? can't they have been cooperating?