English verb conjugation
CAN UNDERSTATE

Regular verb: understate - understated - understated

Affirmation

Simple form	V-ing form
I can understate you can understate he can understate we can understate you can understate they can understate	I can be understating you can be understating he can be understating we can be understating you can be understating they can be understating
Perfect	V-ing perfect
I can have understated you can have understated he can have understated we can have understated you can have understated they can have understated	I can have been understating you can have been understating he can have been understating we can have been understating you can have been understating they can have been understating

Negation

Simple form	V-ing form
I cannot understate you cannot understate he cannot understate we cannot understate you cannot understate they cannot understate	I cannot be understating you cannot be understating he cannot be understating we cannot be understating you cannot be understating they cannot be understating
Perfect	V-ing perfect
I cannot have understated you cannot have understated he cannot have understated we cannot have understated you cannot have understated they cannot have understated	I cannot have been understating you cannot have been understating he cannot have been understating we cannot have been understating you cannot have been understating they cannot have been understating

Interrogative form

Simple form	V-ing form
can I understate? can you understate? can he understate? can we understate? can you understate? can they understate?	can I be understating? can you be understating? can he be understating? can we be understating? can you be understating? can they be understating?
Perfect	V-ing perfect
can I have understated? can you have understated? can he have understated? can we have understated? can you have understated? can they have understated?	can I have been understating? can you have been understating? can he have been understating? can we have been understating? can you have been understating? can they have been understating?

Interro-negative form

Simple form	V-ing form
can I not understate? can you not understate? can he not understate? can we not understate? can you not understate? can they not understate?	can I not be understating? can you not be understating? can he not be understating? can we not be understating? can you not be understating? can they not be understating?
Perfect	V-ing perfect
can I not have understated? can you not have understated? can he not have understated? can we not have understated? can you not have understated? can they not have understated?	can I not have been understating? can you not have been understating? can he not have been understating? can we not have been understating? can you not have been understating? can they not have been understating?