Conjugação do verbo inglês
COULD EXPRESS

Verbo regular: express - expressed - expressed

Afirmação

Forma simple	Forma com V-ing
I could express you could express he could express we could express you could express they could express	I could be expressing you could be expressing he 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 he 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 he 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 couldn't express you couldn't express he couldn't express we couldn't express you couldn't express they couldn't express	I couldn't be expressing you couldn't be expressing he couldn't be expressing we couldn't be expressing you couldn't be expressing they couldn't be expressing
Perfeito	Perfeito com V-ing
I couldn't have expressed you couldn't have expressed he couldn't have expressed we couldn't have expressed you couldn't have expressed they couldn't have expressed	I couldn't have been expressing you couldn't have been expressing he couldn't have been expressing we couldn't have been expressing you couldn't have been expressing they couldn't have been expressing

Forma interrogativa

Forma simple	Forma com V-ing
could I express? could you express? could he express? could we express? could you express? could they express?	could I be expressing? could you be expressing? could he 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 he 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 he 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
couldn't I express? couldn't you express? couldn't he express? couldn't we express? couldn't you express? couldn't they express?	couldn't I be expressing? couldn't you be expressing? couldn't he be expressing? couldn't we be expressing? couldn't you be expressing? couldn't they be expressing?
Perfeito	Perfeito com V-ing
couldn't I have expressed? couldn't you have expressed? couldn't he have expressed? couldn't we have expressed? couldn't you have expressed? couldn't they have expressed?	couldn't I have been expressing? couldn't you have been expressing? couldn't he have been expressing? couldn't we have been expressing? couldn't you have been expressing? couldn't they have been expressing?