English verb conjugation
CAN POLKA

Regular verb: polka - polkaed - polkaed

Affirmation

Simple form	V-ing form
I can polka you can polka he can polka we can polka you can polka they can polka	I can be polkaing you can be polkaing he can be polkaing we can be polkaing you can be polkaing they can be polkaing
Perfect	V-ing perfect
I can have polkaed you can have polkaed he can have polkaed we can have polkaed you can have polkaed they can have polkaed	I can have been polkaing you can have been polkaing he can have been polkaing we can have been polkaing you can have been polkaing they can have been polkaing

Negation

Simple form	V-ing form
I cannot polka you cannot polka he cannot polka we cannot polka you cannot polka they cannot polka	I cannot be polkaing you cannot be polkaing he cannot be polkaing we cannot be polkaing you cannot be polkaing they cannot be polkaing
Perfect	V-ing perfect
I cannot have polkaed you cannot have polkaed he cannot have polkaed we cannot have polkaed you cannot have polkaed they cannot have polkaed	I cannot have been polkaing you cannot have been polkaing he cannot have been polkaing we cannot have been polkaing you cannot have been polkaing they cannot have been polkaing

Interrogative form

Simple form	V-ing form
can I polka? can you polka? can he polka? can we polka? can you polka? can they polka?	can I be polkaing? can you be polkaing? can he be polkaing? can we be polkaing? can you be polkaing? can they be polkaing?
Perfect	V-ing perfect
can I have polkaed? can you have polkaed? can he have polkaed? can we have polkaed? can you have polkaed? can they have polkaed?	can I have been polkaing? can you have been polkaing? can he have been polkaing? can we have been polkaing? can you have been polkaing? can they have been polkaing?

Interro-negative form

Simple form	V-ing form
can I not polka? can you not polka? can he not polka? can we not polka? can you not polka? can they not polka?	can I not be polkaing? can you not be polkaing? can he not be polkaing? can we not be polkaing? can you not be polkaing? can they not be polkaing?
Perfect	V-ing perfect
can I not have polkaed? can you not have polkaed? can he not have polkaed? can we not have polkaed? can you not have polkaed? can they not have polkaed?	can I not have been polkaing? can you not have been polkaing? can he not have been polkaing? can we not have been polkaing? can you not have been polkaing? can they not have been polkaing?