Conjugação do verbo inglês
COULD CHARACTERIZE

Verbo regular: characterize - characterized - characterized

Afirmação

Forma simple	Forma com V-ing
I could characterize you could characterize she could characterize we could characterize you could characterize they could characterize	I could be characterizing you could be characterizing she could be characterizing we could be characterizing you could be characterizing they could be characterizing
Perfeito	Perfeito com V-ing
I could have characterized you could have characterized she could have characterized we could have characterized you could have characterized they could have characterized	I could have been characterizing you could have been characterizing she could have been characterizing we could have been characterizing you could have been characterizing they could have been characterizing

Negação

Forma simple	Forma com V-ing
I couldn't characterize you couldn't characterize she couldn't characterize we couldn't characterize you couldn't characterize they couldn't characterize	I couldn't be characterizing you couldn't be characterizing she couldn't be characterizing we couldn't be characterizing you couldn't be characterizing they couldn't be characterizing
Perfeito	Perfeito com V-ing
I couldn't have characterized you couldn't have characterized she couldn't have characterized we couldn't have characterized you couldn't have characterized they couldn't have characterized	I couldn't have been characterizing you couldn't have been characterizing she couldn't have been characterizing we couldn't have been characterizing you couldn't have been characterizing they couldn't have been characterizing

Forma interrogativa

Forma simple	Forma com V-ing
could I characterize? could you characterize? could she characterize? could we characterize? could you characterize? could they characterize?	could I be characterizing? could you be characterizing? could she be characterizing? could we be characterizing? could you be characterizing? could they be characterizing?
Perfeito	Perfeito com V-ing
could I have characterized? could you have characterized? could she have characterized? could we have characterized? could you have characterized? could they have characterized?	could I have been characterizing? could you have been characterizing? could she have been characterizing? could we have been characterizing? could you have been characterizing? could they have been characterizing?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I characterize? couldn't you characterize? couldn't she characterize? couldn't we characterize? couldn't you characterize? couldn't they characterize?	couldn't I be characterizing? couldn't you be characterizing? couldn't she be characterizing? couldn't we be characterizing? couldn't you be characterizing? couldn't they be characterizing?
Perfeito	Perfeito com V-ing
couldn't I have characterized? couldn't you have characterized? couldn't she have characterized? couldn't we have characterized? couldn't you have characterized? couldn't they have characterized?	couldn't I have been characterizing? couldn't you have been characterizing? couldn't she have been characterizing? couldn't we have been characterizing? couldn't you have been characterizing? couldn't they have been characterizing?