English verb conjugation
CAN CAULK

Regular verb: caulk - caulked - caulked

Affirmation

Simple form	V-ing form
I can caulk you can caulk he can caulk we can caulk you can caulk they can caulk	I can be caulking you can be caulking he can be caulking we can be caulking you can be caulking they can be caulking
Perfect	V-ing perfect
I can have caulked you can have caulked he can have caulked we can have caulked you can have caulked they can have caulked	I can have been caulking you can have been caulking he can have been caulking we can have been caulking you can have been caulking they can have been caulking

Negation

Simple form	V-ing form
I can't caulk you can't caulk he can't caulk we can't caulk you can't caulk they can't caulk	I can't be caulking you can't be caulking he can't be caulking we can't be caulking you can't be caulking they can't be caulking
Perfect	V-ing perfect
I can't have caulked you can't have caulked he can't have caulked we can't have caulked you can't have caulked they can't have caulked	I can't have been caulking you can't have been caulking he can't have been caulking we can't have been caulking you can't have been caulking they can't have been caulking

Interrogative form

Simple form	V-ing form
can I caulk? can you caulk? can he caulk? can we caulk? can you caulk? can they caulk?	can I be caulking? can you be caulking? can he be caulking? can we be caulking? can you be caulking? can they be caulking?
Perfect	V-ing perfect
can I have caulked? can you have caulked? can he have caulked? can we have caulked? can you have caulked? can they have caulked?	can I have been caulking? can you have been caulking? can he have been caulking? can we have been caulking? can you have been caulking? can they have been caulking?

Interro-negative form

Simple form	V-ing form
can't I caulk? can't you caulk? can't he caulk? can't we caulk? can't you caulk? can't they caulk?	can't I be caulking? can't you be caulking? can't he be caulking? can't we be caulking? can't you be caulking? can't they be caulking?
Perfect	V-ing perfect
can't I have caulked? can't you have caulked? can't he have caulked? can't we have caulked? can't you have caulked? can't they have caulked?	can't I have been caulking? can't you have been caulking? can't he have been caulking? can't we have been caulking? can't you have been caulking? can't they have been caulking?