English verb conjugation
CAN TOWEL

Regular verb: towel - towelled - towelled

Affirmation

Simple form	V-ing form
I can towel you can towel he can towel we can towel you can towel they can towel	I can be towelling you can be towelling he can be towelling we can be towelling you can be towelling they can be towelling
Perfect	V-ing perfect
I can have towelled you can have towelled he can have towelled we can have towelled you can have towelled they can have towelled	I can have been towelling you can have been towelling he can have been towelling we can have been towelling you can have been towelling they can have been towelling

Negation

Simple form	V-ing form
I can't towel you can't towel he can't towel we can't towel you can't towel they can't towel	I can't be towelling you can't be towelling he can't be towelling we can't be towelling you can't be towelling they can't be towelling
Perfect	V-ing perfect
I can't have towelled you can't have towelled he can't have towelled we can't have towelled you can't have towelled they can't have towelled	I can't have been towelling you can't have been towelling he can't have been towelling we can't have been towelling you can't have been towelling they can't have been towelling

Interrogative form

Simple form	V-ing form
can I towel? can you towel? can he towel? can we towel? can you towel? can they towel?	can I be towelling? can you be towelling? can he be towelling? can we be towelling? can you be towelling? can they be towelling?
Perfect	V-ing perfect
can I have towelled? can you have towelled? can he have towelled? can we have towelled? can you have towelled? can they have towelled?	can I have been towelling? can you have been towelling? can he have been towelling? can we have been towelling? can you have been towelling? can they have been towelling?

Interro-negative form

Simple form	V-ing form
can't I towel? can't you towel? can't he towel? can't we towel? can't you towel? can't they towel?	can't I be towelling? can't you be towelling? can't he be towelling? can't we be towelling? can't you be towelling? can't they be towelling?
Perfect	V-ing perfect
can't I have towelled? can't you have towelled? can't he have towelled? can't we have towelled? can't you have towelled? can't they have towelled?	can't I have been towelling? can't you have been towelling? can't he have been towelling? can't we have been towelling? can't you have been towelling? can't they have been towelling?