could interpolate
Verbo regular: interpolate - interpolated- interpolated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could interpolate
you could interpolate
he could interpolate
we could interpolate
you could interpolate
they could interpolate 	I could be interpolating
you could be interpolating
he could be interpolating
we could be interpolating
you could be interpolating
they could be interpolating	I could have interpolated
you could have interpolated
he could have interpolated
we could have interpolated
you could have interpolated
they could have interpolated	I could have been interpolating
you could have been interpolating
he could have been interpolating
we could have been interpolating
you could have been interpolating
they could have been interpolating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't interpolate
you couldn't interpolate
he couldn't interpolate
we couldn't interpolate
you couldn't interpolate
they couldn't interpolate 	I couldn't be interpolating
you couldn't be interpolating
he couldn't be interpolating
we couldn't be interpolating
you couldn't be interpolating
they couldn't be interpolating	I couldn't have interpolated
you couldn't have interpolated
he couldn't have interpolated
we couldn't have interpolated
you couldn't have interpolated
they couldn't have interpolated	I couldn't have been interpolating
you couldn't have been interpolating
he couldn't have been interpolating
we couldn't have been interpolating
you couldn't have been interpolating
they couldn't have been interpolating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I interpolate?
could you interpolate?
could he interpolate?
could we interpolate?
could you interpolate?
could they interpolate? 	could I be interpolating?
could you be interpolating?
could he be interpolating?
could we be interpolating?
could you be interpolating?
could they be interpolating? 	could I have interpolated?
could you have interpolated?
could he have interpolated?
could we have interpolated?
could you have interpolated?
could they have interpolated? 	could I have been interpolating?
could you have been interpolating?
could he have been interpolating?
could we have been interpolating?
could you have been interpolating?
could they have been interpolating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I interpolate?
couldn't you interpolate?
couldn't he interpolate?
couldn't we interpolate?
couldn't you interpolate?
couldn't they interpolate? 	couldn't I be interpolating?
couldn't you be interpolating?
couldn't he be interpolating?
couldn't we be interpolating?
couldn't you be interpolating?
couldn't they be interpolating? 	couldn't I have interpolated?
couldn't you have interpolated?
couldn't he have interpolated?
couldn't we have interpolated?
couldn't you have interpolated?
couldn't they have interpolated? 	couldn't I have been interpolating?
couldn't you have been interpolating?
couldn't he have been interpolating?
couldn't we have been interpolating?
couldn't you have been interpolating?
couldn't they have been interpolating?