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 can't polka you can't polka he can't polka we can't polka you can't polka they can't polka	I can't be polkaing you can't be polkaing he can't be polkaing we can't be polkaing you can't be polkaing they can't be polkaing
Perfect	V-ing perfect
I can't have polkaed you can't have polkaed he can't have polkaed we can't have polkaed you can't have polkaed they can't have polkaed	I can't have been polkaing you can't have been polkaing he can't have been polkaing we can't have been polkaing you can't have been polkaing they can't 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't I polka? can't you polka? can't he polka? can't we polka? can't you polka? can't they polka?	can't I be polkaing? can't you be polkaing? can't he be polkaing? can't we be polkaing? can't you be polkaing? can't they be polkaing?
Perfect	V-ing perfect
can't I have polkaed? can't you have polkaed? can't he have polkaed? can't we have polkaed? can't you have polkaed? can't they have polkaed?	can't I have been polkaing? can't you have been polkaing? can't he have been polkaing? can't we have been polkaing? can't you have been polkaing? can't they have been polkaing?