English verb conjugation
CAN GRAPPLE

Regular verb: grapple - grappled - grappled

Affirmation

Simple form	V-ing form
I can grapple you can grapple he can grapple we can grapple you can grapple they can grapple	I can be grappling you can be grappling he can be grappling we can be grappling you can be grappling they can be grappling
Perfect	V-ing perfect
I can have grappled you can have grappled he can have grappled we can have grappled you can have grappled they can have grappled	I can have been grappling you can have been grappling he can have been grappling we can have been grappling you can have been grappling they can have been grappling

Negation

Simple form	V-ing form
I can't grapple you can't grapple he can't grapple we can't grapple you can't grapple they can't grapple	I can't be grappling you can't be grappling he can't be grappling we can't be grappling you can't be grappling they can't be grappling
Perfect	V-ing perfect
I can't have grappled you can't have grappled he can't have grappled we can't have grappled you can't have grappled they can't have grappled	I can't have been grappling you can't have been grappling he can't have been grappling we can't have been grappling you can't have been grappling they can't have been grappling

Interrogative form

Simple form	V-ing form
can I grapple? can you grapple? can he grapple? can we grapple? can you grapple? can they grapple?	can I be grappling? can you be grappling? can he be grappling? can we be grappling? can you be grappling? can they be grappling?
Perfect	V-ing perfect
can I have grappled? can you have grappled? can he have grappled? can we have grappled? can you have grappled? can they have grappled?	can I have been grappling? can you have been grappling? can he have been grappling? can we have been grappling? can you have been grappling? can they have been grappling?

Interro-negative form

Simple form	V-ing form
can't I grapple? can't you grapple? can't he grapple? can't we grapple? can't you grapple? can't they grapple?	can't I be grappling? can't you be grappling? can't he be grappling? can't we be grappling? can't you be grappling? can't they be grappling?
Perfect	V-ing perfect
can't I have grappled? can't you have grappled? can't he have grappled? can't we have grappled? can't you have grappled? can't they have grappled?	can't I have been grappling? can't you have been grappling? can't he have been grappling? can't we have been grappling? can't you have been grappling? can't they have been grappling?