English verb conjugation
CAN TUFT

Regular verb: tuft - tufted - tufted

Affirmation

Simple form	V-ing form
I can tuft you can tuft she can tuft we can tuft you can tuft they can tuft	I can be tufting you can be tufting she 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 she 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 she 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 cannot tuft you cannot tuft she cannot tuft we cannot tuft you cannot tuft they cannot tuft	I cannot be tufting you cannot be tufting she cannot be tufting we cannot be tufting you cannot be tufting they cannot be tufting
Perfect	V-ing perfect
I cannot have tufted you cannot have tufted she cannot have tufted we cannot have tufted you cannot have tufted they cannot have tufted	I cannot have been tufting you cannot have been tufting she cannot have been tufting we cannot have been tufting you cannot have been tufting they cannot have been tufting

Interrogative form

Simple form	V-ing form
can I tuft? can you tuft? can she tuft? can we tuft? can you tuft? can they tuft?	can I be tufting? can you be tufting? can she 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 she 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 she 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 I not tuft? can you not tuft? can she not tuft? can we not tuft? can you not tuft? can they not tuft?	can I not be tufting? can you not be tufting? can she not be tufting? can we not be tufting? can you not be tufting? can they not be tufting?
Perfect	V-ing perfect
can I not have tufted? can you not have tufted? can she not have tufted? can we not have tufted? can you not have tufted? can they not have tufted?	can I not have been tufting? can you not have been tufting? can she not have been tufting? can we not have been tufting? can you not have been tufting? can they not have been tufting?