English verb conjugation
COULD RUFFLE

Regular verb: ruffle - ruffled - ruffled

Affirmation

Simple form	V-ing form
I could ruffle you could ruffle he could ruffle we could ruffle you could ruffle they could ruffle	I could be ruffling you could be ruffling he could be ruffling we could be ruffling you could be ruffling they could be ruffling
Perfect	V-ing perfect
I could have ruffled you could have ruffled he could have ruffled we could have ruffled you could have ruffled they could have ruffled	I could have been ruffling you could have been ruffling he could have been ruffling we could have been ruffling you could have been ruffling they could have been ruffling

Negation

Simple form	V-ing form
I couldn't ruffle you couldn't ruffle he couldn't ruffle we couldn't ruffle you couldn't ruffle they couldn't ruffle	I couldn't be ruffling you couldn't be ruffling he couldn't be ruffling we couldn't be ruffling you couldn't be ruffling they couldn't be ruffling
Perfect	V-ing perfect
I couldn't have ruffled you couldn't have ruffled he couldn't have ruffled we couldn't have ruffled you couldn't have ruffled they couldn't have ruffled	I couldn't have been ruffling you couldn't have been ruffling he couldn't have been ruffling we couldn't have been ruffling you couldn't have been ruffling they couldn't have been ruffling

Interrogative form

Simple form	V-ing form
could I ruffle? could you ruffle? could he ruffle? could we ruffle? could you ruffle? could they ruffle?	could I be ruffling? could you be ruffling? could he be ruffling? could we be ruffling? could you be ruffling? could they be ruffling?
Perfect	V-ing perfect
could I have ruffled? could you have ruffled? could he have ruffled? could we have ruffled? could you have ruffled? could they have ruffled?	could I have been ruffling? could you have been ruffling? could he have been ruffling? could we have been ruffling? could you have been ruffling? could they have been ruffling?

Interro-negative form

Simple form	V-ing form
couldn't I ruffle? couldn't you ruffle? couldn't he ruffle? couldn't we ruffle? couldn't you ruffle? couldn't they ruffle?	couldn't I be ruffling? couldn't you be ruffling? couldn't he be ruffling? couldn't we be ruffling? couldn't you be ruffling? couldn't they be ruffling?
Perfect	V-ing perfect
couldn't I have ruffled? couldn't you have ruffled? couldn't he have ruffled? couldn't we have ruffled? couldn't you have ruffled? couldn't they have ruffled?	couldn't I have been ruffling? couldn't you have been ruffling? couldn't he have been ruffling? couldn't we have been ruffling? couldn't you have been ruffling? couldn't they have been ruffling?