could extrapolate
Verbo regular: extrapolate - extrapolated- extrapolated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could extrapolate
you could extrapolate
he could extrapolate
we could extrapolate
you could extrapolate
they could extrapolate 	I could be extrapolating
you could be extrapolating
he could be extrapolating
we could be extrapolating
you could be extrapolating
they could be extrapolating	I could have extrapolated
you could have extrapolated
he could have extrapolated
we could have extrapolated
you could have extrapolated
they could have extrapolated	I could have been extrapolating
you could have been extrapolating
he could have been extrapolating
we could have been extrapolating
you could have been extrapolating
they could have been extrapolating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't extrapolate
you couldn't extrapolate
he couldn't extrapolate
we couldn't extrapolate
you couldn't extrapolate
they couldn't extrapolate 	I couldn't be extrapolating
you couldn't be extrapolating
he couldn't be extrapolating
we couldn't be extrapolating
you couldn't be extrapolating
they couldn't be extrapolating	I couldn't have extrapolated
you couldn't have extrapolated
he couldn't have extrapolated
we couldn't have extrapolated
you couldn't have extrapolated
they couldn't have extrapolated	I couldn't have been extrapolating
you couldn't have been extrapolating
he couldn't have been extrapolating
we couldn't have been extrapolating
you couldn't have been extrapolating
they couldn't have been extrapolating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I extrapolate?
could you extrapolate?
could he extrapolate?
could we extrapolate?
could you extrapolate?
could they extrapolate? 	could I be extrapolating?
could you be extrapolating?
could he be extrapolating?
could we be extrapolating?
could you be extrapolating?
could they be extrapolating? 	could I have extrapolated?
could you have extrapolated?
could he have extrapolated?
could we have extrapolated?
could you have extrapolated?
could they have extrapolated? 	could I have been extrapolating?
could you have been extrapolating?
could he have been extrapolating?
could we have been extrapolating?
could you have been extrapolating?
could they have been extrapolating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I extrapolate?
couldn't you extrapolate?
couldn't he extrapolate?
couldn't we extrapolate?
couldn't you extrapolate?
couldn't they extrapolate? 	couldn't I be extrapolating?
couldn't you be extrapolating?
couldn't he be extrapolating?
couldn't we be extrapolating?
couldn't you be extrapolating?
couldn't they be extrapolating? 	couldn't I have extrapolated?
couldn't you have extrapolated?
couldn't he have extrapolated?
couldn't we have extrapolated?
couldn't you have extrapolated?
couldn't they have extrapolated? 	couldn't I have been extrapolating?
couldn't you have been extrapolating?
couldn't he have been extrapolating?
couldn't we have been extrapolating?
couldn't you have been extrapolating?
couldn't they have been extrapolating?