can summit
Regular verb: summit - summited- summited

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?