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

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

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't lactate
you couldn't lactate
he couldn't lactate
we couldn't lactate
you couldn't lactate
they couldn't lactate 	I couldn't be lactating
you couldn't be lactating
he couldn't be lactating
we couldn't be lactating
you couldn't be lactating
they couldn't be lactating	I couldn't have lactated
you couldn't have lactated
he couldn't have lactated
we couldn't have lactated
you couldn't have lactated
they couldn't have lactated	I couldn't have been lactating
you couldn't have been lactating
he couldn't have been lactating
we couldn't have been lactating
you couldn't have been lactating
they couldn't have been lactating	

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

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I lactate?
couldn't you lactate?
couldn't he lactate?
couldn't we lactate?
couldn't you lactate?
couldn't they lactate? 	couldn't I be lactating?
couldn't you be lactating?
couldn't he be lactating?
couldn't we be lactating?
couldn't you be lactating?
couldn't they be lactating? 	couldn't I have lactated?
couldn't you have lactated?
couldn't he have lactated?
couldn't we have lactated?
couldn't you have lactated?
couldn't they have lactated? 	couldn't I have been lactating?
couldn't you have been lactating?
couldn't he have been lactating?
couldn't we have been lactating?
couldn't you have been lactating?
couldn't they have been lactating?