Conjugação do verbo inglês
COULD EXPOUND

Verbo regular: expound - expounded - expounded

Afirmação

Forma simple	Forma com V-ing
I could expound you could expound she could expound we could expound you could expound they could expound	I could be expounding you could be expounding she could be expounding we could be expounding you could be expounding they could be expounding
Perfeito	Perfeito com V-ing
I could have expounded you could have expounded she could have expounded we could have expounded you could have expounded they could have expounded	I could have been expounding you could have been expounding she could have been expounding we could have been expounding you could have been expounding they could have been expounding

Negação

Forma simple	Forma com V-ing
I couldn't expound you couldn't expound she couldn't expound we couldn't expound you couldn't expound they couldn't expound	I couldn't be expounding you couldn't be expounding she couldn't be expounding we couldn't be expounding you couldn't be expounding they couldn't be expounding
Perfeito	Perfeito com V-ing
I couldn't have expounded you couldn't have expounded she couldn't have expounded we couldn't have expounded you couldn't have expounded they couldn't have expounded	I couldn't have been expounding you couldn't have been expounding she couldn't have been expounding we couldn't have been expounding you couldn't have been expounding they couldn't have been expounding

Forma interrogativa

Forma simple	Forma com V-ing
could I expound? could you expound? could she expound? could we expound? could you expound? could they expound?	could I be expounding? could you be expounding? could she be expounding? could we be expounding? could you be expounding? could they be expounding?
Perfeito	Perfeito com V-ing
could I have expounded? could you have expounded? could she have expounded? could we have expounded? could you have expounded? could they have expounded?	could I have been expounding? could you have been expounding? could she have been expounding? could we have been expounding? could you have been expounding? could they have been expounding?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I expound? couldn't you expound? couldn't she expound? couldn't we expound? couldn't you expound? couldn't they expound?	couldn't I be expounding? couldn't you be expounding? couldn't she be expounding? couldn't we be expounding? couldn't you be expounding? couldn't they be expounding?
Perfeito	Perfeito com V-ing
couldn't I have expounded? couldn't you have expounded? couldn't she have expounded? couldn't we have expounded? couldn't you have expounded? couldn't they have expounded?	couldn't I have been expounding? couldn't you have been expounding? couldn't she have been expounding? couldn't we have been expounding? couldn't you have been expounding? couldn't they have been expounding?