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 can't dowel you can't dowel he can't dowel we can't dowel you can't dowel they can't dowel	I can't be dowelling you can't be dowelling he can't be dowelling we can't be dowelling you can't be dowelling they can't be dowelling
Perfect	V-ing perfect
I can't have dowelled you can't have dowelled he can't have dowelled we can't have dowelled you can't have dowelled they can't have dowelled	I can't have been dowelling you can't have been dowelling he can't have been dowelling we can't have been dowelling you can't have been dowelling they can't 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't I dowel? can't you dowel? can't he dowel? can't we dowel? can't you dowel? can't they dowel?	can't I be dowelling? can't you be dowelling? can't he be dowelling? can't we be dowelling? can't you be dowelling? can't they be dowelling?
Perfect	V-ing perfect
can't I have dowelled? can't you have dowelled? can't he have dowelled? can't we have dowelled? can't you have dowelled? can't they have dowelled?	can't I have been dowelling? can't you have been dowelling? can't he have been dowelling? can't we have been dowelling? can't you have been dowelling? can't they have been dowelling?