English verb conjugation
CAN SCUFFLE

Regular verb: scuffle - scuffled - scuffled

Affirmation

Simple form	V-ing form
I can scuffle you can scuffle he can scuffle we can scuffle you can scuffle they can scuffle	I can be scuffling you can be scuffling he can be scuffling we can be scuffling you can be scuffling they can be scuffling
Perfect	V-ing perfect
I can have scuffled you can have scuffled he can have scuffled we can have scuffled you can have scuffled they can have scuffled	I can have been scuffling you can have been scuffling he can have been scuffling we can have been scuffling you can have been scuffling they can have been scuffling

Negation

Simple form	V-ing form
I cannot scuffle you cannot scuffle he cannot scuffle we cannot scuffle you cannot scuffle they cannot scuffle	I cannot be scuffling you cannot be scuffling he cannot be scuffling we cannot be scuffling you cannot be scuffling they cannot be scuffling
Perfect	V-ing perfect
I cannot have scuffled you cannot have scuffled he cannot have scuffled we cannot have scuffled you cannot have scuffled they cannot have scuffled	I cannot have been scuffling you cannot have been scuffling he cannot have been scuffling we cannot have been scuffling you cannot have been scuffling they cannot have been scuffling

Interrogative form

Simple form	V-ing form
can I scuffle? can you scuffle? can he scuffle? can we scuffle? can you scuffle? can they scuffle?	can I be scuffling? can you be scuffling? can he be scuffling? can we be scuffling? can you be scuffling? can they be scuffling?
Perfect	V-ing perfect
can I have scuffled? can you have scuffled? can he have scuffled? can we have scuffled? can you have scuffled? can they have scuffled?	can I have been scuffling? can you have been scuffling? can he have been scuffling? can we have been scuffling? can you have been scuffling? can they have been scuffling?

Interro-negative form

Simple form	V-ing form
can I not scuffle? can you not scuffle? can he not scuffle? can we not scuffle? can you not scuffle? can they not scuffle?	can I not be scuffling? can you not be scuffling? can he not be scuffling? can we not be scuffling? can you not be scuffling? can they not be scuffling?
Perfect	V-ing perfect
can I not have scuffled? can you not have scuffled? can he not have scuffled? can we not have scuffled? can you not have scuffled? can they not have scuffled?	can I not have been scuffling? can you not have been scuffling? can he not have been scuffling? can we not have been scuffling? can you not have been scuffling? can they not have been scuffling?