English verb conjugation
CAN MUFFLE

Regular verb: muffle - muffled - muffled

Affirmation

Simple form	V-ing form
I can muffle you can muffle she can muffle we can muffle you can muffle they can muffle	I can be muffling you can be muffling she can be muffling we can be muffling you can be muffling they can be muffling
Perfect	V-ing perfect
I can have muffled you can have muffled she can have muffled we can have muffled you can have muffled they can have muffled	I can have been muffling you can have been muffling she can have been muffling we can have been muffling you can have been muffling they can have been muffling

Negation

Simple form	V-ing form
I cannot muffle you cannot muffle she cannot muffle we cannot muffle you cannot muffle they cannot muffle	I cannot be muffling you cannot be muffling she cannot be muffling we cannot be muffling you cannot be muffling they cannot be muffling
Perfect	V-ing perfect
I cannot have muffled you cannot have muffled she cannot have muffled we cannot have muffled you cannot have muffled they cannot have muffled	I cannot have been muffling you cannot have been muffling she cannot have been muffling we cannot have been muffling you cannot have been muffling they cannot have been muffling

Interrogative form

Simple form	V-ing form
can I muffle? can you muffle? can she muffle? can we muffle? can you muffle? can they muffle?	can I be muffling? can you be muffling? can she be muffling? can we be muffling? can you be muffling? can they be muffling?
Perfect	V-ing perfect
can I have muffled? can you have muffled? can she have muffled? can we have muffled? can you have muffled? can they have muffled?	can I have been muffling? can you have been muffling? can she have been muffling? can we have been muffling? can you have been muffling? can they have been muffling?

Interro-negative form

Simple form	V-ing form
can I not muffle? can you not muffle? can she not muffle? can we not muffle? can you not muffle? can they not muffle?	can I not be muffling? can you not be muffling? can she not be muffling? can we not be muffling? can you not be muffling? can they not be muffling?
Perfect	V-ing perfect
can I not have muffled? can you not have muffled? can she not have muffled? can we not have muffled? can you not have muffled? can they not have muffled?	can I not have been muffling? can you not have been muffling? can she not have been muffling? can we not have been muffling? can you not have been muffling? can they not have been muffling?