Conjugação do verbo inglês
COULD EXPRESS

Verbo regular: express - expressed - expressed

Afirmação

Forma simple	Forma com V-ing
I could express you could express she could express we could express you could express they could express	I could be expressing you could be expressing she could be expressing we could be expressing you could be expressing they could be expressing
Perfeito	Perfeito com V-ing
I could have expressed you could have expressed she could have expressed we could have expressed you could have expressed they could have expressed	I could have been expressing you could have been expressing she could have been expressing we could have been expressing you could have been expressing they could have been expressing

Negação

Forma simple	Forma com V-ing
I could not express you could not express she could not express we could not express you could not express they could not express	I could not be expressing you could not be expressing she could not be expressing we could not be expressing you could not be expressing they could not be expressing
Perfeito	Perfeito com V-ing
I could not have expressed you could not have expressed she could not have expressed we could not have expressed you could not have expressed they could not have expressed	I could not have been expressing you could not have been expressing she could not have been expressing we could not have been expressing you could not have been expressing they could not have been expressing

Forma interrogativa

Forma simple	Forma com V-ing
could I express? could you express? could she express? could we express? could you express? could they express?	could I be expressing? could you be expressing? could she be expressing? could we be expressing? could you be expressing? could they be expressing?
Perfeito	Perfeito com V-ing
could I have expressed? could you have expressed? could she have expressed? could we have expressed? could you have expressed? could they have expressed?	could I have been expressing? could you have been expressing? could she have been expressing? could we have been expressing? could you have been expressing? could they have been expressing?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not express? could you not express? could she not express? could we not express? could you not express? could they not express?	could I not be expressing? could you not be expressing? could she not be expressing? could we not be expressing? could you not be expressing? could they not be expressing?
Perfeito	Perfeito com V-ing
could I not have expressed? could you not have expressed? could she not have expressed? could we not have expressed? could you not have expressed? could they not have expressed?	could I not have been expressing? could you not have been expressing? could she not have been expressing? could we not have been expressing? could you not have been expressing? could they not have been expressing?