English verb conjugation
CAN SHRED

Regular verb: shred - shredded - shredded

Affirmation

Simple form	V-ing form
I can shred you can shred he can shred we can shred you can shred they can shred	I can be shredding you can be shredding he can be shredding we can be shredding you can be shredding they can be shredding
Perfect	V-ing perfect
I can have shredded you can have shredded he can have shredded we can have shredded you can have shredded they can have shredded	I can have been shredding you can have been shredding he can have been shredding we can have been shredding you can have been shredding they can have been shredding

Negation

Simple form	V-ing form
I cannot shred you cannot shred he cannot shred we cannot shred you cannot shred they cannot shred	I cannot be shredding you cannot be shredding he cannot be shredding we cannot be shredding you cannot be shredding they cannot be shredding
Perfect	V-ing perfect
I cannot have shredded you cannot have shredded he cannot have shredded we cannot have shredded you cannot have shredded they cannot have shredded	I cannot have been shredding you cannot have been shredding he cannot have been shredding we cannot have been shredding you cannot have been shredding they cannot have been shredding

Interrogative form

Simple form	V-ing form
can I shred? can you shred? can he shred? can we shred? can you shred? can they shred?	can I be shredding? can you be shredding? can he be shredding? can we be shredding? can you be shredding? can they be shredding?
Perfect	V-ing perfect
can I have shredded? can you have shredded? can he have shredded? can we have shredded? can you have shredded? can they have shredded?	can I have been shredding? can you have been shredding? can he have been shredding? can we have been shredding? can you have been shredding? can they have been shredding?

Interro-negative form

Simple form	V-ing form
can I not shred? can you not shred? can he not shred? can we not shred? can you not shred? can they not shred?	can I not be shredding? can you not be shredding? can he not be shredding? can we not be shredding? can you not be shredding? can they not be shredding?
Perfect	V-ing perfect
can I not have shredded? can you not have shredded? can he not have shredded? can we not have shredded? can you not have shredded? can they not have shredded?	can I not have been shredding? can you not have been shredding? can he not have been shredding? can we not have been shredding? can you not have been shredding? can they not have been shredding?