English verb conjugation
CAN PROLONGATE

Regular verb: prolongate - prolongated - prolongated

Affirmation

Simple form	V-ing form
I can prolongate you can prolongate he can prolongate we can prolongate you can prolongate they can prolongate	I can be prolongating you can be prolongating he can be prolongating we can be prolongating you can be prolongating they can be prolongating
Perfect	V-ing perfect
I can have prolongated you can have prolongated he can have prolongated we can have prolongated you can have prolongated they can have prolongated	I can have been prolongating you can have been prolongating he can have been prolongating we can have been prolongating you can have been prolongating they can have been prolongating

Negation

Simple form	V-ing form
I cannot prolongate you cannot prolongate he cannot prolongate we cannot prolongate you cannot prolongate they cannot prolongate	I cannot be prolongating you cannot be prolongating he cannot be prolongating we cannot be prolongating you cannot be prolongating they cannot be prolongating
Perfect	V-ing perfect
I cannot have prolongated you cannot have prolongated he cannot have prolongated we cannot have prolongated you cannot have prolongated they cannot have prolongated	I cannot have been prolongating you cannot have been prolongating he cannot have been prolongating we cannot have been prolongating you cannot have been prolongating they cannot have been prolongating

Interrogative form

Simple form	V-ing form
can I prolongate? can you prolongate? can he prolongate? can we prolongate? can you prolongate? can they prolongate?	can I be prolongating? can you be prolongating? can he be prolongating? can we be prolongating? can you be prolongating? can they be prolongating?
Perfect	V-ing perfect
can I have prolongated? can you have prolongated? can he have prolongated? can we have prolongated? can you have prolongated? can they have prolongated?	can I have been prolongating? can you have been prolongating? can he have been prolongating? can we have been prolongating? can you have been prolongating? can they have been prolongating?

Interro-negative form

Simple form	V-ing form
can I not prolongate? can you not prolongate? can he not prolongate? can we not prolongate? can you not prolongate? can they not prolongate?	can I not be prolongating? can you not be prolongating? can he not be prolongating? can we not be prolongating? can you not be prolongating? can they not be prolongating?
Perfect	V-ing perfect
can I not have prolongated? can you not have prolongated? can he not have prolongated? can we not have prolongated? can you not have prolongated? can they not have prolongated?	can I not have been prolongating? can you not have been prolongating? can he not have been prolongating? can we not have been prolongating? can you not have been prolongating? can they not have been prolongating?