English verb conjugation
CAN BESTIR

Regular verb: bestir - bestirred - bestirred

Affirmation

Simple form	V-ing form
I can bestir you can bestir he can bestir we can bestir you can bestir they can bestir	I can be bestirring you can be bestirring he can be bestirring we can be bestirring you can be bestirring they can be bestirring
Perfect	V-ing perfect
I can have bestirred you can have bestirred he can have bestirred we can have bestirred you can have bestirred they can have bestirred	I can have been bestirring you can have been bestirring he can have been bestirring we can have been bestirring you can have been bestirring they can have been bestirring

Negation

Simple form	V-ing form
I can't bestir you can't bestir he can't bestir we can't bestir you can't bestir they can't bestir	I can't be bestirring you can't be bestirring he can't be bestirring we can't be bestirring you can't be bestirring they can't be bestirring
Perfect	V-ing perfect
I can't have bestirred you can't have bestirred he can't have bestirred we can't have bestirred you can't have bestirred they can't have bestirred	I can't have been bestirring you can't have been bestirring he can't have been bestirring we can't have been bestirring you can't have been bestirring they can't have been bestirring

Interrogative form

Simple form	V-ing form
can I bestir? can you bestir? can he bestir? can we bestir? can you bestir? can they bestir?	can I be bestirring? can you be bestirring? can he be bestirring? can we be bestirring? can you be bestirring? can they be bestirring?
Perfect	V-ing perfect
can I have bestirred? can you have bestirred? can he have bestirred? can we have bestirred? can you have bestirred? can they have bestirred?	can I have been bestirring? can you have been bestirring? can he have been bestirring? can we have been bestirring? can you have been bestirring? can they have been bestirring?

Interro-negative form

Simple form	V-ing form
can't I bestir? can't you bestir? can't he bestir? can't we bestir? can't you bestir? can't they bestir?	can't I be bestirring? can't you be bestirring? can't he be bestirring? can't we be bestirring? can't you be bestirring? can't they be bestirring?
Perfect	V-ing perfect
can't I have bestirred? can't you have bestirred? can't he have bestirred? can't we have bestirred? can't you have bestirred? can't they have bestirred?	can't I have been bestirring? can't you have been bestirring? can't he have been bestirring? can't we have been bestirring? can't you have been bestirring? can't they have been bestirring?