English verb conjugation
COULD OVERSTATE

Regular verb: overstate - overstated - overstated

Affirmation

Simple form	V-ing form
I could overstate you could overstate he could overstate we could overstate you could overstate they could overstate	I could be overstating you could be overstating he could be overstating we could be overstating you could be overstating they could be overstating
Perfect	V-ing perfect
I could have overstated you could have overstated he could have overstated we could have overstated you could have overstated they could have overstated	I could have been overstating you could have been overstating he could have been overstating we could have been overstating you could have been overstating they could have been overstating

Negation

Simple form	V-ing form
I couldn't overstate you couldn't overstate he couldn't overstate we couldn't overstate you couldn't overstate they couldn't overstate	I couldn't be overstating you couldn't be overstating he couldn't be overstating we couldn't be overstating you couldn't be overstating they couldn't be overstating
Perfect	V-ing perfect
I couldn't have overstated you couldn't have overstated he couldn't have overstated we couldn't have overstated you couldn't have overstated they couldn't have overstated	I couldn't have been overstating you couldn't have been overstating he couldn't have been overstating we couldn't have been overstating you couldn't have been overstating they couldn't have been overstating

Interrogative form

Simple form	V-ing form
could I overstate? could you overstate? could he overstate? could we overstate? could you overstate? could they overstate?	could I be overstating? could you be overstating? could he be overstating? could we be overstating? could you be overstating? could they be overstating?
Perfect	V-ing perfect
could I have overstated? could you have overstated? could he have overstated? could we have overstated? could you have overstated? could they have overstated?	could I have been overstating? could you have been overstating? could he have been overstating? could we have been overstating? could you have been overstating? could they have been overstating?

Interro-negative form

Simple form	V-ing form
couldn't I overstate? couldn't you overstate? couldn't he overstate? couldn't we overstate? couldn't you overstate? couldn't they overstate?	couldn't I be overstating? couldn't you be overstating? couldn't he be overstating? couldn't we be overstating? couldn't you be overstating? couldn't they be overstating?
Perfect	V-ing perfect
couldn't I have overstated? couldn't you have overstated? couldn't he have overstated? couldn't we have overstated? couldn't you have overstated? couldn't they have overstated?	couldn't I have been overstating? couldn't you have been overstating? couldn't he have been overstating? couldn't we have been overstating? couldn't you have been overstating? couldn't they have been overstating?