English verb conjugation
CAN DOWEL

Regular verb: dowel - dowelled - dowelled

Affirmation

Simple form	V-ing form
I can dowel you can dowel he can dowel we can dowel you can dowel they can dowel	I can be dowelling you can be dowelling he can be dowelling we can be dowelling you can be dowelling they can be dowelling
Perfect	V-ing perfect
I can have dowelled you can have dowelled he can have dowelled we can have dowelled you can have dowelled they can have dowelled	I can have been dowelling you can have been dowelling he can have been dowelling we can have been dowelling you can have been dowelling they can have been dowelling

Negation

Simple form	V-ing form
I cannot dowel you cannot dowel he cannot dowel we cannot dowel you cannot dowel they cannot dowel	I cannot be dowelling you cannot be dowelling he cannot be dowelling we cannot be dowelling you cannot be dowelling they cannot be dowelling
Perfect	V-ing perfect
I cannot have dowelled you cannot have dowelled he cannot have dowelled we cannot have dowelled you cannot have dowelled they cannot have dowelled	I cannot have been dowelling you cannot have been dowelling he cannot have been dowelling we cannot have been dowelling you cannot have been dowelling they cannot have been dowelling

Interrogative form

Simple form	V-ing form
can I dowel? can you dowel? can he dowel? can we dowel? can you dowel? can they dowel?	can I be dowelling? can you be dowelling? can he be dowelling? can we be dowelling? can you be dowelling? can they be dowelling?
Perfect	V-ing perfect
can I have dowelled? can you have dowelled? can he have dowelled? can we have dowelled? can you have dowelled? can they have dowelled?	can I have been dowelling? can you have been dowelling? can he have been dowelling? can we have been dowelling? can you have been dowelling? can they have been dowelling?

Interro-negative form

Simple form	V-ing form
can I not dowel? can you not dowel? can he not dowel? can we not dowel? can you not dowel? can they not dowel?	can I not be dowelling? can you not be dowelling? can he not be dowelling? can we not be dowelling? can you not be dowelling? can they not be dowelling?
Perfect	V-ing perfect
can I not have dowelled? can you not have dowelled? can he not have dowelled? can we not have dowelled? can you not have dowelled? can they not have dowelled?	can I not have been dowelling? can you not have been dowelling? can he not have been dowelling? can we not have been dowelling? can you not have been dowelling? can they not have been dowelling?