must lactate
Verbe régulier : lactate - lactated- lactated
Traduction française : sécréter du lait 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must lactate
you must lactate
she must lactate
we must lactate
you must lactate
they must lactate 	I must be lactating
you must be lactating
she must be lactating
we must be lactating
you must be lactating
they must be lactating	I must have lactated
you must have lactated
she must have lactated
we must have lactated
you must have lactated
they must have lactated	I must have been lactating
you must have been lactating
she must have been lactating
we must have been lactating
you must have been lactating
they must have been lactating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not lactate
you must not lactate
she must not lactate
we must not lactate
you must not lactate
they must not lactate 	I must not be lactating
you must not be lactating
she must not be lactating
we must not be lactating
you must not be lactating
they must not be lactating	I must not have lactated
you must not have lactated
she must not have lactated
we must not have lactated
you must not have lactated
they must not have lactated	I must not have been lactating
you must not have been lactating
she must not have been lactating
we must not have been lactating
you must not have been lactating
they must not have been lactating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I lactate?
must you lactate?
must she lactate?
must we lactate?
must you lactate?
must they lactate? 	must I be lactating?
must you be lactating?
must she be lactating?
must we be lactating?
must you be lactating?
must they be lactating? 	must I have lactated?
must you have lactated?
must she have lactated?
must we have lactated?
must you have lactated?
must they have lactated? 	must I have been lactating?
must you have been lactating?
must she have been lactating?
must we have been lactating?
must you have been lactating?
must they have been lactating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not lactate?
must you not lactate?
must she not lactate?
must we not lactate?
must you not lactate?
must they not lactate? 	must I not be lactating?
must you not be lactating?
must she not be lactating?
must we not be lactating?
must you not be lactating?
must they not be lactating? 	must I not have lactated?
must you not have lactated?
must she not have lactated?
must we not have lactated?
must you not have lactated?
must they not have lactated? 	must I not have been lactating?
must you not have been lactating?
must she not have been lactating?
must we not have been lactating?
must you not have been lactating?
must they not have been lactating?