could laten
Regular verb: laten - latened- latened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could laten
you could laten
she could laten
we could laten
you could laten
they could laten 	I could be latening
you could be latening
she could be latening
we could be latening
you could be latening
they could be latening	I could have latened
you could have latened
she could have latened
we could have latened
you could have latened
they could have latened	I could have been latening
you could have been latening
she could have been latening
we could have been latening
you could have been latening
they could have been latening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not laten
you could not laten
she could not laten
we could not laten
you could not laten
they could not laten 	I could not be latening
you could not be latening
she could not be latening
we could not be latening
you could not be latening
they could not be latening	I could not have latened
you could not have latened
she could not have latened
we could not have latened
you could not have latened
they could not have latened	I could not have been latening
you could not have been latening
she could not have been latening
we could not have been latening
you could not have been latening
they could not have been latening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I laten?
could you laten?
could she laten?
could we laten?
could you laten?
could they laten? 	could I be latening?
could you be latening?
could she be latening?
could we be latening?
could you be latening?
could they be latening? 	could I have latened?
could you have latened?
could she have latened?
could we have latened?
could you have latened?
could they have latened? 	could I have been latening?
could you have been latening?
could she have been latening?
could we have been latening?
could you have been latening?
could they have been latening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not laten?
could you not laten?
could she not laten?
could we not laten?
could you not laten?
could they not laten? 	could I not be latening?
could you not be latening?
could she not be latening?
could we not be latening?
could you not be latening?
could they not be latening? 	could I not have latened?
could you not have latened?
could she not have latened?
could we not have latened?
could you not have latened?
could they not have latened? 	could I not have been latening?
could you not have been latening?
could she not have been latening?
could we not have been latening?
could you not have been latening?
could they not have been latening?