English verb conjugation
CAN DOWNGRADE

Regular verb: downgrade - downgraded - downgraded

Affirmation

Simple form	V-ing form
I can downgrade you can downgrade she can downgrade we can downgrade you can downgrade they can downgrade	I can be downgrading you can be downgrading she can be downgrading we can be downgrading you can be downgrading they can be downgrading
Perfect	V-ing perfect
I can have downgraded you can have downgraded she can have downgraded we can have downgraded you can have downgraded they can have downgraded	I can have been downgrading you can have been downgrading she can have been downgrading we can have been downgrading you can have been downgrading they can have been downgrading

Negation

Simple form	V-ing form
I can't downgrade you can't downgrade she can't downgrade we can't downgrade you can't downgrade they can't downgrade	I can't be downgrading you can't be downgrading she can't be downgrading we can't be downgrading you can't be downgrading they can't be downgrading
Perfect	V-ing perfect
I can't have downgraded you can't have downgraded she can't have downgraded we can't have downgraded you can't have downgraded they can't have downgraded	I can't have been downgrading you can't have been downgrading she can't have been downgrading we can't have been downgrading you can't have been downgrading they can't have been downgrading

Interrogative form

Simple form	V-ing form
can I downgrade? can you downgrade? can she downgrade? can we downgrade? can you downgrade? can they downgrade?	can I be downgrading? can you be downgrading? can she be downgrading? can we be downgrading? can you be downgrading? can they be downgrading?
Perfect	V-ing perfect
can I have downgraded? can you have downgraded? can she have downgraded? can we have downgraded? can you have downgraded? can they have downgraded?	can I have been downgrading? can you have been downgrading? can she have been downgrading? can we have been downgrading? can you have been downgrading? can they have been downgrading?

Interro-negative form

Simple form	V-ing form
can't I downgrade? can't you downgrade? can't she downgrade? can't we downgrade? can't you downgrade? can't they downgrade?	can't I be downgrading? can't you be downgrading? can't she be downgrading? can't we be downgrading? can't you be downgrading? can't they be downgrading?
Perfect	V-ing perfect
can't I have downgraded? can't you have downgraded? can't she have downgraded? can't we have downgraded? can't you have downgraded? can't they have downgraded?	can't I have been downgrading? can't you have been downgrading? can't she have been downgrading? can't we have been downgrading? can't you have been downgrading? can't they have been downgrading?