Conjugação do verbo inglês
COULD REVISE

Verbo regular: revise - revised - revised

Afirmação

Forma simple	Forma com V-ing
I could revise you could revise she could revise we could revise you could revise they could revise	I could be revising you could be revising she could be revising we could be revising you could be revising they could be revising
Perfeito	Perfeito com V-ing
I could have revised you could have revised she could have revised we could have revised you could have revised they could have revised	I could have been revising you could have been revising she could have been revising we could have been revising you could have been revising they could have been revising

Negação

Forma simple	Forma com V-ing
I couldn't revise you couldn't revise she couldn't revise we couldn't revise you couldn't revise they couldn't revise	I couldn't be revising you couldn't be revising she couldn't be revising we couldn't be revising you couldn't be revising they couldn't be revising
Perfeito	Perfeito com V-ing
I couldn't have revised you couldn't have revised she couldn't have revised we couldn't have revised you couldn't have revised they couldn't have revised	I couldn't have been revising you couldn't have been revising she couldn't have been revising we couldn't have been revising you couldn't have been revising they couldn't have been revising

Forma interrogativa

Forma simple	Forma com V-ing
could I revise? could you revise? could she revise? could we revise? could you revise? could they revise?	could I be revising? could you be revising? could she be revising? could we be revising? could you be revising? could they be revising?
Perfeito	Perfeito com V-ing
could I have revised? could you have revised? could she have revised? could we have revised? could you have revised? could they have revised?	could I have been revising? could you have been revising? could she have been revising? could we have been revising? could you have been revising? could they have been revising?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I revise? couldn't you revise? couldn't she revise? couldn't we revise? couldn't you revise? couldn't they revise?	couldn't I be revising? couldn't you be revising? couldn't she be revising? couldn't we be revising? couldn't you be revising? couldn't they be revising?
Perfeito	Perfeito com V-ing
couldn't I have revised? couldn't you have revised? couldn't she have revised? couldn't we have revised? couldn't you have revised? couldn't they have revised?	couldn't I have been revising? couldn't you have been revising? couldn't she have been revising? couldn't we have been revising? couldn't you have been revising? couldn't they have been revising?