Conjugação do verbo inglês
COULD SOLVE

Verbo regular: solve - solved - solved

Afirmação

Forma simple	Forma com V-ing
I could solve you could solve he could solve we could solve you could solve they could solve	I could be solving you could be solving he could be solving we could be solving you could be solving they could be solving
Perfeito	Perfeito com V-ing
I could have solved you could have solved he could have solved we could have solved you could have solved they could have solved	I could have been solving you could have been solving he could have been solving we could have been solving you could have been solving they could have been solving

Negação

Forma simple	Forma com V-ing
I couldn't solve you couldn't solve he couldn't solve we couldn't solve you couldn't solve they couldn't solve	I couldn't be solving you couldn't be solving he couldn't be solving we couldn't be solving you couldn't be solving they couldn't be solving
Perfeito	Perfeito com V-ing
I couldn't have solved you couldn't have solved he couldn't have solved we couldn't have solved you couldn't have solved they couldn't have solved	I couldn't have been solving you couldn't have been solving he couldn't have been solving we couldn't have been solving you couldn't have been solving they couldn't have been solving

Forma interrogativa

Forma simple	Forma com V-ing
could I solve? could you solve? could he solve? could we solve? could you solve? could they solve?	could I be solving? could you be solving? could he be solving? could we be solving? could you be solving? could they be solving?
Perfeito	Perfeito com V-ing
could I have solved? could you have solved? could he have solved? could we have solved? could you have solved? could they have solved?	could I have been solving? could you have been solving? could he have been solving? could we have been solving? could you have been solving? could they have been solving?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I solve? couldn't you solve? couldn't he solve? couldn't we solve? couldn't you solve? couldn't they solve?	couldn't I be solving? couldn't you be solving? couldn't he be solving? couldn't we be solving? couldn't you be solving? couldn't they be solving?
Perfeito	Perfeito com V-ing
couldn't I have solved? couldn't you have solved? couldn't he have solved? couldn't we have solved? couldn't you have solved? couldn't they have solved?	couldn't I have been solving? couldn't you have been solving? couldn't he have been solving? couldn't we have been solving? couldn't you have been solving? couldn't they have been solving?