English verb conjugation
CAN SUMMIT

Regular verb: summit - summited - summited

Affirmation

Simple form	V-ing form
I can summit you can summit she can summit we can summit you can summit they can summit	I can be summiting you can be summiting she 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 she 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 she 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 can't summit you can't summit she can't summit we can't summit you can't summit they can't summit	I can't be summiting you can't be summiting she can't be summiting we can't be summiting you can't be summiting they can't be summiting
Perfect	V-ing perfect
I can't have summited you can't have summited she can't have summited we can't have summited you can't have summited they can't have summited	I can't have been summiting you can't have been summiting she can't have been summiting we can't have been summiting you can't have been summiting they can't have been summiting

Interrogative form

Simple form	V-ing form
can I summit? can you summit? can she summit? can we summit? can you summit? can they summit?	can I be summiting? can you be summiting? can she 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 she 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 she 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't I summit? can't you summit? can't she summit? can't we summit? can't you summit? can't they summit?	can't I be summiting? can't you be summiting? can't she be summiting? can't we be summiting? can't you be summiting? can't they be summiting?
Perfect	V-ing perfect
can't I have summited? can't you have summited? can't she have summited? can't we have summited? can't you have summited? can't they have summited?	can't I have been summiting? can't you have been summiting? can't she have been summiting? can't we have been summiting? can't you have been summiting? can't they have been summiting?