English verb conjugation
CAN GRIFT

Regular verb: grift - grifted - grifted

Affirmation

Simple form	V-ing form
I can grift you can grift he can grift we can grift you can grift they can grift	I can be grifting you can be grifting he can be grifting we can be grifting you can be grifting they can be grifting
Perfect	V-ing perfect
I can have grifted you can have grifted he can have grifted we can have grifted you can have grifted they can have grifted	I can have been grifting you can have been grifting he can have been grifting we can have been grifting you can have been grifting they can have been grifting

Negation

Simple form	V-ing form
I can't grift you can't grift he can't grift we can't grift you can't grift they can't grift	I can't be grifting you can't be grifting he can't be grifting we can't be grifting you can't be grifting they can't be grifting
Perfect	V-ing perfect
I can't have grifted you can't have grifted he can't have grifted we can't have grifted you can't have grifted they can't have grifted	I can't have been grifting you can't have been grifting he can't have been grifting we can't have been grifting you can't have been grifting they can't have been grifting

Interrogative form

Simple form	V-ing form
can I grift? can you grift? can he grift? can we grift? can you grift? can they grift?	can I be grifting? can you be grifting? can he be grifting? can we be grifting? can you be grifting? can they be grifting?
Perfect	V-ing perfect
can I have grifted? can you have grifted? can he have grifted? can we have grifted? can you have grifted? can they have grifted?	can I have been grifting? can you have been grifting? can he have been grifting? can we have been grifting? can you have been grifting? can they have been grifting?

Interro-negative form

Simple form	V-ing form
can't I grift? can't you grift? can't he grift? can't we grift? can't you grift? can't they grift?	can't I be grifting? can't you be grifting? can't he be grifting? can't we be grifting? can't you be grifting? can't they be grifting?
Perfect	V-ing perfect
can't I have grifted? can't you have grifted? can't he have grifted? can't we have grifted? can't you have grifted? can't they have grifted?	can't I have been grifting? can't you have been grifting? can't he have been grifting? can't we have been grifting? can't you have been grifting? can't they have been grifting?