English verb conjugation
CAN TUFT

Regular verb: tuft - tufted - tufted

Affirmation

Simple form	V-ing form
I can tuft you can tuft he can tuft we can tuft you can tuft they can tuft	I can be tufting you can be tufting he can be tufting we can be tufting you can be tufting they can be tufting
Perfect	V-ing perfect
I can have tufted you can have tufted he can have tufted we can have tufted you can have tufted they can have tufted	I can have been tufting you can have been tufting he can have been tufting we can have been tufting you can have been tufting they can have been tufting

Negation

Simple form	V-ing form
I can't tuft you can't tuft he can't tuft we can't tuft you can't tuft they can't tuft	I can't be tufting you can't be tufting he can't be tufting we can't be tufting you can't be tufting they can't be tufting
Perfect	V-ing perfect
I can't have tufted you can't have tufted he can't have tufted we can't have tufted you can't have tufted they can't have tufted	I can't have been tufting you can't have been tufting he can't have been tufting we can't have been tufting you can't have been tufting they can't have been tufting

Interrogative form

Simple form	V-ing form
can I tuft? can you tuft? can he tuft? can we tuft? can you tuft? can they tuft?	can I be tufting? can you be tufting? can he be tufting? can we be tufting? can you be tufting? can they be tufting?
Perfect	V-ing perfect
can I have tufted? can you have tufted? can he have tufted? can we have tufted? can you have tufted? can they have tufted?	can I have been tufting? can you have been tufting? can he have been tufting? can we have been tufting? can you have been tufting? can they have been tufting?

Interro-negative form

Simple form	V-ing form
can't I tuft? can't you tuft? can't he tuft? can't we tuft? can't you tuft? can't they tuft?	can't I be tufting? can't you be tufting? can't he be tufting? can't we be tufting? can't you be tufting? can't they be tufting?
Perfect	V-ing perfect
can't I have tufted? can't you have tufted? can't he have tufted? can't we have tufted? can't you have tufted? can't they have tufted?	can't I have been tufting? can't you have been tufting? can't he have been tufting? can't we have been tufting? can't you have been tufting? can't they have been tufting?