English verb conjugation
CAN PURFLE

Regular verb: purfle - purfled - purfled

Affirmation

Simple form	V-ing form
I can purfle you can purfle he can purfle we can purfle you can purfle they can purfle	I can be purfling you can be purfling he can be purfling we can be purfling you can be purfling they can be purfling
Perfect	V-ing perfect
I can have purfled you can have purfled he can have purfled we can have purfled you can have purfled they can have purfled	I can have been purfling you can have been purfling he can have been purfling we can have been purfling you can have been purfling they can have been purfling

Negation

Simple form	V-ing form
I cannot purfle you cannot purfle he cannot purfle we cannot purfle you cannot purfle they cannot purfle	I cannot be purfling you cannot be purfling he cannot be purfling we cannot be purfling you cannot be purfling they cannot be purfling
Perfect	V-ing perfect
I cannot have purfled you cannot have purfled he cannot have purfled we cannot have purfled you cannot have purfled they cannot have purfled	I cannot have been purfling you cannot have been purfling he cannot have been purfling we cannot have been purfling you cannot have been purfling they cannot have been purfling

Interrogative form

Simple form	V-ing form
can I purfle? can you purfle? can he purfle? can we purfle? can you purfle? can they purfle?	can I be purfling? can you be purfling? can he be purfling? can we be purfling? can you be purfling? can they be purfling?
Perfect	V-ing perfect
can I have purfled? can you have purfled? can he have purfled? can we have purfled? can you have purfled? can they have purfled?	can I have been purfling? can you have been purfling? can he have been purfling? can we have been purfling? can you have been purfling? can they have been purfling?

Interro-negative form

Simple form	V-ing form
can I not purfle? can you not purfle? can he not purfle? can we not purfle? can you not purfle? can they not purfle?	can I not be purfling? can you not be purfling? can he not be purfling? can we not be purfling? can you not be purfling? can they not be purfling?
Perfect	V-ing perfect
can I not have purfled? can you not have purfled? can he not have purfled? can we not have purfled? can you not have purfled? can they not have purfled?	can I not have been purfling? can you not have been purfling? can he not have been purfling? can we not have been purfling? can you not have been purfling? can they not have been purfling?