must cooperate
Regelmä&szlig;iges Verb: cooperate - cooperated- cooperated

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must cooperate
you must cooperate
she must cooperate
we must cooperate
you must cooperate
they must cooperate 	I must be cooperating
you must be cooperating
she must be cooperating
we must be cooperating
you must be cooperating
they must be cooperating	I must have cooperated
you must have cooperated
she must have cooperated
we must have cooperated
you must have cooperated
they must have cooperated	I must have been cooperating
you must have been cooperating
she must have been cooperating
we must have been cooperating
you must have been cooperating
they must have been cooperating	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must not cooperate
you must not cooperate
she must not cooperate
we must not cooperate
you must not cooperate
they must not cooperate 	I must not be cooperating
you must not be cooperating
she must not be cooperating
we must not be cooperating
you must not be cooperating
they must not be cooperating	I must not have cooperated
you must not have cooperated
she must not have cooperated
we must not have cooperated
you must not have cooperated
they must not have cooperated	I must not have been cooperating
you must not have been cooperating
she must not have been cooperating
we must not have been cooperating
you must not have been cooperating
they must not have been cooperating	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I cooperate?
must you cooperate?
must she cooperate?
must we cooperate?
must you cooperate?
must they cooperate? 	must I be cooperating?
must you be cooperating?
must she be cooperating?
must we be cooperating?
must you be cooperating?
must they be cooperating? 	must I have cooperated?
must you have cooperated?
must she have cooperated?
must we have cooperated?
must you have cooperated?
must they have cooperated? 	must I have been cooperating?
must you have been cooperating?
must she have been cooperating?
must we have been cooperating?
must you have been cooperating?
must they have been cooperating? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I not cooperate?
must you not cooperate?
must she not cooperate?
must we not cooperate?
must you not cooperate?
must they not cooperate? 	must I not be cooperating?
must you not be cooperating?
must she not be cooperating?
must we not be cooperating?
must you not be cooperating?
must they not be cooperating? 	must I not have cooperated?
must you not have cooperated?
must she not have cooperated?
must we not have cooperated?
must you not have cooperated?
must they not have cooperated? 	must I not have been cooperating?
must you not have been cooperating?
must she not have been cooperating?
must we not have been cooperating?
must you not have been cooperating?
must they not have been cooperating?