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