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 can't understate you can't understate he can't understate we can't understate you can't understate they can't understate	I can't be understating you can't be understating he can't be understating we can't be understating you can't be understating they can't be understating
Perfect	V-ing perfect
I can't have understated you can't have understated he can't have understated we can't have understated you can't have understated they can't have understated	I can't have been understating you can't have been understating he can't have been understating we can't have been understating you can't have been understating they can't 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't I understate? can't you understate? can't he understate? can't we understate? can't you understate? can't they understate?	can't I be understating? can't you be understating? can't he be understating? can't we be understating? can't you be understating? can't they be understating?
Perfect	V-ing perfect
can't I have understated? can't you have understated? can't he have understated? can't we have understated? can't you have understated? can't they have understated?	can't I have been understating? can't you have been understating? can't he have been understating? can't we have been understating? can't you have been understating? can't they have been understating?