Conjugação do verbo inglês
COULD RETROSPECT

Verbo regular: retrospect - retrospected - retrospected

Afirmação

Forma simple	Forma com V-ing
I could retrospect you could retrospect he could retrospect we could retrospect you could retrospect they could retrospect	I could be retrospecting you could be retrospecting he could be retrospecting we could be retrospecting you could be retrospecting they could be retrospecting
Perfeito	Perfeito com V-ing
I could have retrospected you could have retrospected he could have retrospected we could have retrospected you could have retrospected they could have retrospected	I could have been retrospecting you could have been retrospecting he could have been retrospecting we could have been retrospecting you could have been retrospecting they could have been retrospecting

Negação

Forma simple	Forma com V-ing
I couldn't retrospect you couldn't retrospect he couldn't retrospect we couldn't retrospect you couldn't retrospect they couldn't retrospect	I couldn't be retrospecting you couldn't be retrospecting he couldn't be retrospecting we couldn't be retrospecting you couldn't be retrospecting they couldn't be retrospecting
Perfeito	Perfeito com V-ing
I couldn't have retrospected you couldn't have retrospected he couldn't have retrospected we couldn't have retrospected you couldn't have retrospected they couldn't have retrospected	I couldn't have been retrospecting you couldn't have been retrospecting he couldn't have been retrospecting we couldn't have been retrospecting you couldn't have been retrospecting they couldn't have been retrospecting

Forma interrogativa

Forma simple	Forma com V-ing
could I retrospect? could you retrospect? could he retrospect? could we retrospect? could you retrospect? could they retrospect?	could I be retrospecting? could you be retrospecting? could he be retrospecting? could we be retrospecting? could you be retrospecting? could they be retrospecting?
Perfeito	Perfeito com V-ing
could I have retrospected? could you have retrospected? could he have retrospected? could we have retrospected? could you have retrospected? could they have retrospected?	could I have been retrospecting? could you have been retrospecting? could he have been retrospecting? could we have been retrospecting? could you have been retrospecting? could they have been retrospecting?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I retrospect? couldn't you retrospect? couldn't he retrospect? couldn't we retrospect? couldn't you retrospect? couldn't they retrospect?	couldn't I be retrospecting? couldn't you be retrospecting? couldn't he be retrospecting? couldn't we be retrospecting? couldn't you be retrospecting? couldn't they be retrospecting?
Perfeito	Perfeito com V-ing
couldn't I have retrospected? couldn't you have retrospected? couldn't he have retrospected? couldn't we have retrospected? couldn't you have retrospected? couldn't they have retrospected?	couldn't I have been retrospecting? couldn't you have been retrospecting? couldn't he have been retrospecting? couldn't we have been retrospecting? couldn't you have been retrospecting? couldn't they have been retrospecting?