could lam
Verbo regular: lam - lammed- lammed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could lam
you could lam
he could lam
we could lam
you could lam
they could lam 	I could be lamming
you could be lamming
he could be lamming
we could be lamming
you could be lamming
they could be lamming	I could have lammed
you could have lammed
he could have lammed
we could have lammed
you could have lammed
they could have lammed	I could have been lamming
you could have been lamming
he could have been lamming
we could have been lamming
you could have been lamming
they could have been lamming	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't lam
you couldn't lam
he couldn't lam
we couldn't lam
you couldn't lam
they couldn't lam 	I couldn't be lamming
you couldn't be lamming
he couldn't be lamming
we couldn't be lamming
you couldn't be lamming
they couldn't be lamming	I couldn't have lammed
you couldn't have lammed
he couldn't have lammed
we couldn't have lammed
you couldn't have lammed
they couldn't have lammed	I couldn't have been lamming
you couldn't have been lamming
he couldn't have been lamming
we couldn't have been lamming
you couldn't have been lamming
they couldn't have been lamming	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I lam?
could you lam?
could he lam?
could we lam?
could you lam?
could they lam? 	could I be lamming?
could you be lamming?
could he be lamming?
could we be lamming?
could you be lamming?
could they be lamming? 	could I have lammed?
could you have lammed?
could he have lammed?
could we have lammed?
could you have lammed?
could they have lammed? 	could I have been lamming?
could you have been lamming?
could he have been lamming?
could we have been lamming?
could you have been lamming?
could they have been lamming? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I lam?
couldn't you lam?
couldn't he lam?
couldn't we lam?
couldn't you lam?
couldn't they lam? 	couldn't I be lamming?
couldn't you be lamming?
couldn't he be lamming?
couldn't we be lamming?
couldn't you be lamming?
couldn't they be lamming? 	couldn't I have lammed?
couldn't you have lammed?
couldn't he have lammed?
couldn't we have lammed?
couldn't you have lammed?
couldn't they have lammed? 	couldn't I have been lamming?
couldn't you have been lamming?
couldn't he have been lamming?
couldn't we have been lamming?
couldn't you have been lamming?
couldn't they have been lamming?