English verb conjugation
COULD SCUFFLE

Regular verb: scuffle - scuffled - scuffled

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

Simple form	V-ing form
couldn't I scuffle? couldn't you scuffle? couldn't he scuffle? couldn't we scuffle? couldn't you scuffle? couldn't they scuffle?	couldn't I be scuffling? couldn't you be scuffling? couldn't he be scuffling? couldn't we be scuffling? couldn't you be scuffling? couldn't they be scuffling?
Perfect	V-ing perfect
couldn't I have scuffled? couldn't you have scuffled? couldn't he have scuffled? couldn't we have scuffled? couldn't you have scuffled? couldn't they have scuffled?	couldn't I have been scuffling? couldn't you have been scuffling? couldn't he have been scuffling? couldn't we have been scuffling? couldn't you have been scuffling? couldn't they have been scuffling?