English verb conjugation
CAN BACKSTOP

Regular verb: backstop - backstoped - backstoped

Affirmation

Simple form	V-ing form
I can backstop you can backstop she can backstop we can backstop you can backstop they can backstop	I can be backstoping you can be backstoping she can be backstoping we can be backstoping you can be backstoping they can be backstoping
Perfect	V-ing perfect
I can have backstoped you can have backstoped she can have backstoped we can have backstoped you can have backstoped they can have backstoped	I can have been backstoping you can have been backstoping she can have been backstoping we can have been backstoping you can have been backstoping they can have been backstoping

Negation

Simple form	V-ing form
I cannot backstop you cannot backstop she cannot backstop we cannot backstop you cannot backstop they cannot backstop	I cannot be backstoping you cannot be backstoping she cannot be backstoping we cannot be backstoping you cannot be backstoping they cannot be backstoping
Perfect	V-ing perfect
I cannot have backstoped you cannot have backstoped she cannot have backstoped we cannot have backstoped you cannot have backstoped they cannot have backstoped	I cannot have been backstoping you cannot have been backstoping she cannot have been backstoping we cannot have been backstoping you cannot have been backstoping they cannot have been backstoping

Interrogative form

Simple form	V-ing form
can I backstop? can you backstop? can she backstop? can we backstop? can you backstop? can they backstop?	can I be backstoping? can you be backstoping? can she be backstoping? can we be backstoping? can you be backstoping? can they be backstoping?
Perfect	V-ing perfect
can I have backstoped? can you have backstoped? can she have backstoped? can we have backstoped? can you have backstoped? can they have backstoped?	can I have been backstoping? can you have been backstoping? can she have been backstoping? can we have been backstoping? can you have been backstoping? can they have been backstoping?

Interro-negative form

Simple form	V-ing form
can I not backstop? can you not backstop? can she not backstop? can we not backstop? can you not backstop? can they not backstop?	can I not be backstoping? can you not be backstoping? can she not be backstoping? can we not be backstoping? can you not be backstoping? can they not be backstoping?
Perfect	V-ing perfect
can I not have backstoped? can you not have backstoped? can she not have backstoped? can we not have backstoped? can you not have backstoped? can they not have backstoped?	can I not have been backstoping? can you not have been backstoping? can she not have been backstoping? can we not have been backstoping? can you not have been backstoping? can they not have been backstoping?