could suckle
Verbo regular: suckle - suckled- suckled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could suckle
you could suckle
he could suckle
we could suckle
you could suckle
they could suckle 	I could be suckling
you could be suckling
he could be suckling
we could be suckling
you could be suckling
they could be suckling	I could have suckled
you could have suckled
he could have suckled
we could have suckled
you could have suckled
they could have suckled	I could have been suckling
you could have been suckling
he could have been suckling
we could have been suckling
you could have been suckling
they could have been suckling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not suckle
you could not suckle
he could not suckle
we could not suckle
you could not suckle
they could not suckle 	I could not be suckling
you could not be suckling
he could not be suckling
we could not be suckling
you could not be suckling
they could not be suckling	I could not have suckled
you could not have suckled
he could not have suckled
we could not have suckled
you could not have suckled
they could not have suckled	I could not have been suckling
you could not have been suckling
he could not have been suckling
we could not have been suckling
you could not have been suckling
they could not have been suckling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I suckle?
could you suckle?
could he suckle?
could we suckle?
could you suckle?
could they suckle? 	could I be suckling?
could you be suckling?
could he be suckling?
could we be suckling?
could you be suckling?
could they be suckling? 	could I have suckled?
could you have suckled?
could he have suckled?
could we have suckled?
could you have suckled?
could they have suckled? 	could I have been suckling?
could you have been suckling?
could he have been suckling?
could we have been suckling?
could you have been suckling?
could they have been suckling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not suckle?
could you not suckle?
could he not suckle?
could we not suckle?
could you not suckle?
could they not suckle? 	could I not be suckling?
could you not be suckling?
could he not be suckling?
could we not be suckling?
could you not be suckling?
could they not be suckling? 	could I not have suckled?
could you not have suckled?
could he not have suckled?
could we not have suckled?
could you not have suckled?
could they not have suckled? 	could I not have been suckling?
could you not have been suckling?
could he not have been suckling?
could we not have been suckling?
could you not have been suckling?
could they not have been suckling?