could lull
Verbo regular: lull - lulled- lulled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could lull
you could lull
he could lull
we could lull
you could lull
they could lull 	I could be lulling
you could be lulling
he could be lulling
we could be lulling
you could be lulling
they could be lulling	I could have lulled
you could have lulled
he could have lulled
we could have lulled
you could have lulled
they could have lulled	I could have been lulling
you could have been lulling
he could have been lulling
we could have been lulling
you could have been lulling
they could have been lulling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't lull
you couldn't lull
he couldn't lull
we couldn't lull
you couldn't lull
they couldn't lull 	I couldn't be lulling
you couldn't be lulling
he couldn't be lulling
we couldn't be lulling
you couldn't be lulling
they couldn't be lulling	I couldn't have lulled
you couldn't have lulled
he couldn't have lulled
we couldn't have lulled
you couldn't have lulled
they couldn't have lulled	I couldn't have been lulling
you couldn't have been lulling
he couldn't have been lulling
we couldn't have been lulling
you couldn't have been lulling
they couldn't have been lulling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I lull?
could you lull?
could he lull?
could we lull?
could you lull?
could they lull? 	could I be lulling?
could you be lulling?
could he be lulling?
could we be lulling?
could you be lulling?
could they be lulling? 	could I have lulled?
could you have lulled?
could he have lulled?
could we have lulled?
could you have lulled?
could they have lulled? 	could I have been lulling?
could you have been lulling?
could he have been lulling?
could we have been lulling?
could you have been lulling?
could they have been lulling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I lull?
couldn't you lull?
couldn't he lull?
couldn't we lull?
couldn't you lull?
couldn't they lull? 	couldn't I be lulling?
couldn't you be lulling?
couldn't he be lulling?
couldn't we be lulling?
couldn't you be lulling?
couldn't they be lulling? 	couldn't I have lulled?
couldn't you have lulled?
couldn't he have lulled?
couldn't we have lulled?
couldn't you have lulled?
couldn't they have lulled? 	couldn't I have been lulling?
couldn't you have been lulling?
couldn't he have been lulling?
couldn't we have been lulling?
couldn't you have been lulling?
couldn't they have been lulling?