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 cannot duet you cannot duet he cannot duet we cannot duet you cannot duet they cannot duet	I cannot be dueting you cannot be dueting he cannot be dueting we cannot be dueting you cannot be dueting they cannot be dueting
Perfect	V-ing perfect
I cannot have dueted you cannot have dueted he cannot have dueted we cannot have dueted you cannot have dueted they cannot have dueted	I cannot have been dueting you cannot have been dueting he cannot have been dueting we cannot have been dueting you cannot have been dueting they cannot 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 I not duet? can you not duet? can he not duet? can we not duet? can you not duet? can they not duet?	can I not be dueting? can you not be dueting? can he not be dueting? can we not be dueting? can you not be dueting? can they not be dueting?
Perfect	V-ing perfect
can I not have dueted? can you not have dueted? can he not have dueted? can we not have dueted? can you not have dueted? can they not have dueted?	can I not have been dueting? can you not have been dueting? can he not have been dueting? can we not have been dueting? can you not have been dueting? can they not have been dueting?