English verb conjugation
CAN DUNK

Regular verb: dunk - dunked - dunked

Affirmation

Simple form	V-ing form
I can dunk you can dunk he can dunk we can dunk you can dunk they can dunk	I can be dunking you can be dunking he can be dunking we can be dunking you can be dunking they can be dunking
Perfect	V-ing perfect
I can have dunked you can have dunked he can have dunked we can have dunked you can have dunked they can have dunked	I can have been dunking you can have been dunking he can have been dunking we can have been dunking you can have been dunking they can have been dunking

Negation

Simple form	V-ing form
I can't dunk you can't dunk he can't dunk we can't dunk you can't dunk they can't dunk	I can't be dunking you can't be dunking he can't be dunking we can't be dunking you can't be dunking they can't be dunking
Perfect	V-ing perfect
I can't have dunked you can't have dunked he can't have dunked we can't have dunked you can't have dunked they can't have dunked	I can't have been dunking you can't have been dunking he can't have been dunking we can't have been dunking you can't have been dunking they can't have been dunking

Interrogative form

Simple form	V-ing form
can I dunk? can you dunk? can he dunk? can we dunk? can you dunk? can they dunk?	can I be dunking? can you be dunking? can he be dunking? can we be dunking? can you be dunking? can they be dunking?
Perfect	V-ing perfect
can I have dunked? can you have dunked? can he have dunked? can we have dunked? can you have dunked? can they have dunked?	can I have been dunking? can you have been dunking? can he have been dunking? can we have been dunking? can you have been dunking? can they have been dunking?

Interro-negative form

Simple form	V-ing form
can't I dunk? can't you dunk? can't he dunk? can't we dunk? can't you dunk? can't they dunk?	can't I be dunking? can't you be dunking? can't he be dunking? can't we be dunking? can't you be dunking? can't they be dunking?
Perfect	V-ing perfect
can't I have dunked? can't you have dunked? can't he have dunked? can't we have dunked? can't you have dunked? can't they have dunked?	can't I have been dunking? can't you have been dunking? can't he have been dunking? can't we have been dunking? can't you have been dunking? can't they have been dunking?