English verb conjugation
CAN BARBECUE

Regular verb: barbecue - barbecued - barbecued

Affirmation

Simple form	V-ing form
I can barbecue you can barbecue she can barbecue we can barbecue you can barbecue they can barbecue	I can be barbecuing you can be barbecuing she can be barbecuing we can be barbecuing you can be barbecuing they can be barbecuing
Perfect	V-ing perfect
I can have barbecued you can have barbecued she can have barbecued we can have barbecued you can have barbecued they can have barbecued	I can have been barbecuing you can have been barbecuing she can have been barbecuing we can have been barbecuing you can have been barbecuing they can have been barbecuing

Negation

Simple form	V-ing form
I can't barbecue you can't barbecue she can't barbecue we can't barbecue you can't barbecue they can't barbecue	I can't be barbecuing you can't be barbecuing she can't be barbecuing we can't be barbecuing you can't be barbecuing they can't be barbecuing
Perfect	V-ing perfect
I can't have barbecued you can't have barbecued she can't have barbecued we can't have barbecued you can't have barbecued they can't have barbecued	I can't have been barbecuing you can't have been barbecuing she can't have been barbecuing we can't have been barbecuing you can't have been barbecuing they can't have been barbecuing

Interrogative form

Simple form	V-ing form
can I barbecue? can you barbecue? can she barbecue? can we barbecue? can you barbecue? can they barbecue?	can I be barbecuing? can you be barbecuing? can she be barbecuing? can we be barbecuing? can you be barbecuing? can they be barbecuing?
Perfect	V-ing perfect
can I have barbecued? can you have barbecued? can she have barbecued? can we have barbecued? can you have barbecued? can they have barbecued?	can I have been barbecuing? can you have been barbecuing? can she have been barbecuing? can we have been barbecuing? can you have been barbecuing? can they have been barbecuing?

Interro-negative form

Simple form	V-ing form
can't I barbecue? can't you barbecue? can't she barbecue? can't we barbecue? can't you barbecue? can't they barbecue?	can't I be barbecuing? can't you be barbecuing? can't she be barbecuing? can't we be barbecuing? can't you be barbecuing? can't they be barbecuing?
Perfect	V-ing perfect
can't I have barbecued? can't you have barbecued? can't she have barbecued? can't we have barbecued? can't you have barbecued? can't they have barbecued?	can't I have been barbecuing? can't you have been barbecuing? can't she have been barbecuing? can't we have been barbecuing? can't you have been barbecuing? can't they have been barbecuing?