must lactate
Verbo regular: lactate - lactated- lactated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must lactate
you must lactate
he must lactate
we must lactate
you must lactate
they must lactate 	I must be lactating
you must be lactating
he must be lactating
we must be lactating
you must be lactating
they must be lactating	I must have lactated
you must have lactated
he 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
he must have been lactating
we must have been lactating
you must have been lactating
they must have been lactating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not lactate
you must not lactate
he 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
he 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
he 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
he must not have been lactating
we must not have been lactating
you must not have been lactating
they must not have been lactating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I lactate?
must you lactate?
must he lactate?
must we lactate?
must you lactate?
must they lactate? 	must I be lactating?
must you be lactating?
must he be lactating?
must we be lactating?
must you be lactating?
must they be lactating? 	must I have lactated?
must you have lactated?
must he 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 he have been lactating?
must we have been lactating?
must you have been lactating?
must they have been lactating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not lactate?
must you not lactate?
must he 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 he 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 he 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 he not have been lactating?
must we not have been lactating?
must you not have been lactating?
must they not have been lactating?