English verb conjugation
CAN DUET

Regular verb: duet - dueted - dueted

Affirmation

Simple form	V-ing form
I can duet you can duet he can duet we can duet you can duet they can duet	I can be dueting you can be dueting he can be dueting we can be dueting you can be dueting they can be dueting
Perfect	V-ing perfect
I can have dueted you can have dueted he can have dueted we can have dueted you can have dueted they can have dueted	I can have been dueting you can have been dueting he can have been dueting we can have been dueting you can have been dueting they can have been dueting

Negation

Simple form	V-ing form
I can't duet you can't duet he can't duet we can't duet you can't duet they can't duet	I can't be dueting you can't be dueting he can't be dueting we can't be dueting you can't be dueting they can't be dueting
Perfect	V-ing perfect
I can't have dueted you can't have dueted he can't have dueted we can't have dueted you can't have dueted they can't have dueted	I can't have been dueting you can't have been dueting he can't have been dueting we can't have been dueting you can't have been dueting they can't have been dueting

Interrogative form

Simple form	V-ing form
can I duet? can you duet? can he duet? can we duet? can you duet? can they duet?	can I be dueting? can you be dueting? can he be dueting? can we be dueting? can you be dueting? can they be dueting?
Perfect	V-ing perfect
can I have dueted? can you have dueted? can he have dueted? can we have dueted? can you have dueted? can they have dueted?	can I have been dueting? can you have been dueting? can he have been dueting? can we have been dueting? can you have been dueting? can they have been dueting?

Interro-negative form

Simple form	V-ing form
can't I duet? can't you duet? can't he duet? can't we duet? can't you duet? can't they duet?	can't I be dueting? can't you be dueting? can't he be dueting? can't we be dueting? can't you be dueting? can't they be dueting?
Perfect	V-ing perfect
can't I have dueted? can't you have dueted? can't he have dueted? can't we have dueted? can't you have dueted? can't they have dueted?	can't I have been dueting? can't you have been dueting? can't he have been dueting? can't we have been dueting? can't you have been dueting? can't they have been dueting?