could shelter
Verbo regular: shelter - sheltered- sheltered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could shelter
you could shelter
he could shelter
we could shelter
you could shelter
they could shelter 	I could be sheltering
you could be sheltering
he could be sheltering
we could be sheltering
you could be sheltering
they could be sheltering	I could have sheltered
you could have sheltered
he could have sheltered
we could have sheltered
you could have sheltered
they could have sheltered	I could have been sheltering
you could have been sheltering
he could have been sheltering
we could have been sheltering
you could have been sheltering
they could have been sheltering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't shelter
you couldn't shelter
he couldn't shelter
we couldn't shelter
you couldn't shelter
they couldn't shelter 	I couldn't be sheltering
you couldn't be sheltering
he couldn't be sheltering
we couldn't be sheltering
you couldn't be sheltering
they couldn't be sheltering	I couldn't have sheltered
you couldn't have sheltered
he couldn't have sheltered
we couldn't have sheltered
you couldn't have sheltered
they couldn't have sheltered	I couldn't have been sheltering
you couldn't have been sheltering
he couldn't have been sheltering
we couldn't have been sheltering
you couldn't have been sheltering
they couldn't have been sheltering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I shelter?
could you shelter?
could he shelter?
could we shelter?
could you shelter?
could they shelter? 	could I be sheltering?
could you be sheltering?
could he be sheltering?
could we be sheltering?
could you be sheltering?
could they be sheltering? 	could I have sheltered?
could you have sheltered?
could he have sheltered?
could we have sheltered?
could you have sheltered?
could they have sheltered? 	could I have been sheltering?
could you have been sheltering?
could he have been sheltering?
could we have been sheltering?
could you have been sheltering?
could they have been sheltering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I shelter?
couldn't you shelter?
couldn't he shelter?
couldn't we shelter?
couldn't you shelter?
couldn't they shelter? 	couldn't I be sheltering?
couldn't you be sheltering?
couldn't he be sheltering?
couldn't we be sheltering?
couldn't you be sheltering?
couldn't they be sheltering? 	couldn't I have sheltered?
couldn't you have sheltered?
couldn't he have sheltered?
couldn't we have sheltered?
couldn't you have sheltered?
couldn't they have sheltered? 	couldn't I have been sheltering?
couldn't you have been sheltering?
couldn't he have been sheltering?
couldn't we have been sheltering?
couldn't you have been sheltering?
couldn't they have been sheltering?