English verb conjugation
COULD OVERRATE

Regular verb: overrate - overrated - overrated

Affirmation

Simple form	V-ing form
I could overrate you could overrate he could overrate we could overrate you could overrate they could overrate	I could be overrating you could be overrating he could be overrating we could be overrating you could be overrating they could be overrating
Perfect	V-ing perfect
I could have overrated you could have overrated he could have overrated we could have overrated you could have overrated they could have overrated	I could have been overrating you could have been overrating he could have been overrating we could have been overrating you could have been overrating they could have been overrating

Negation

Simple form	V-ing form
I couldn't overrate you couldn't overrate he couldn't overrate we couldn't overrate you couldn't overrate they couldn't overrate	I couldn't be overrating you couldn't be overrating he couldn't be overrating we couldn't be overrating you couldn't be overrating they couldn't be overrating
Perfect	V-ing perfect
I couldn't have overrated you couldn't have overrated he couldn't have overrated we couldn't have overrated you couldn't have overrated they couldn't have overrated	I couldn't have been overrating you couldn't have been overrating he couldn't have been overrating we couldn't have been overrating you couldn't have been overrating they couldn't have been overrating

Interrogative form

Simple form	V-ing form
could I overrate? could you overrate? could he overrate? could we overrate? could you overrate? could they overrate?	could I be overrating? could you be overrating? could he be overrating? could we be overrating? could you be overrating? could they be overrating?
Perfect	V-ing perfect
could I have overrated? could you have overrated? could he have overrated? could we have overrated? could you have overrated? could they have overrated?	could I have been overrating? could you have been overrating? could he have been overrating? could we have been overrating? could you have been overrating? could they have been overrating?

Interro-negative form

Simple form	V-ing form
couldn't I overrate? couldn't you overrate? couldn't he overrate? couldn't we overrate? couldn't you overrate? couldn't they overrate?	couldn't I be overrating? couldn't you be overrating? couldn't he be overrating? couldn't we be overrating? couldn't you be overrating? couldn't they be overrating?
Perfect	V-ing perfect
couldn't I have overrated? couldn't you have overrated? couldn't he have overrated? couldn't we have overrated? couldn't you have overrated? couldn't they have overrated?	couldn't I have been overrating? couldn't you have been overrating? couldn't he have been overrating? couldn't we have been overrating? couldn't you have been overrating? couldn't they have been overrating?