English verb conjugation
CAN SUMMIT

Regular verb: summit - summited - summited

Affirmation

Simple form	V-ing form
I can summit you can summit he can summit we can summit you can summit they can summit	I can be summiting you can be summiting he can be summiting we can be summiting you can be summiting they can be summiting
Perfect	V-ing perfect
I can have summited you can have summited he can have summited we can have summited you can have summited they can have summited	I can have been summiting you can have been summiting he can have been summiting we can have been summiting you can have been summiting they can have been summiting

Negation

Simple form	V-ing form
I cannot summit you cannot summit he cannot summit we cannot summit you cannot summit they cannot summit	I cannot be summiting you cannot be summiting he cannot be summiting we cannot be summiting you cannot be summiting they cannot be summiting
Perfect	V-ing perfect
I cannot have summited you cannot have summited he cannot have summited we cannot have summited you cannot have summited they cannot have summited	I cannot have been summiting you cannot have been summiting he cannot have been summiting we cannot have been summiting you cannot have been summiting they cannot have been summiting

Interrogative form

Simple form	V-ing form
can I summit? can you summit? can he summit? can we summit? can you summit? can they summit?	can I be summiting? can you be summiting? can he be summiting? can we be summiting? can you be summiting? can they be summiting?
Perfect	V-ing perfect
can I have summited? can you have summited? can he have summited? can we have summited? can you have summited? can they have summited?	can I have been summiting? can you have been summiting? can he have been summiting? can we have been summiting? can you have been summiting? can they have been summiting?

Interro-negative form

Simple form	V-ing form
can I not summit? can you not summit? can he not summit? can we not summit? can you not summit? can they not summit?	can I not be summiting? can you not be summiting? can he not be summiting? can we not be summiting? can you not be summiting? can they not be summiting?
Perfect	V-ing perfect
can I not have summited? can you not have summited? can he not have summited? can we not have summited? can you not have summited? can they not have summited?	can I not have been summiting? can you not have been summiting? can he not have been summiting? can we not have been summiting? can you not have been summiting? can they not have been summiting?