English verb conjugation
CAN PLONK

Regular verb: plonk - plonked - plonked

Affirmation

Simple form	V-ing form
I can plonk you can plonk he can plonk we can plonk you can plonk they can plonk	I can be plonking you can be plonking he can be plonking we can be plonking you can be plonking they can be plonking
Perfect	V-ing perfect
I can have plonked you can have plonked he can have plonked we can have plonked you can have plonked they can have plonked	I can have been plonking you can have been plonking he can have been plonking we can have been plonking you can have been plonking they can have been plonking

Negation

Simple form	V-ing form
I can't plonk you can't plonk he can't plonk we can't plonk you can't plonk they can't plonk	I can't be plonking you can't be plonking he can't be plonking we can't be plonking you can't be plonking they can't be plonking
Perfect	V-ing perfect
I can't have plonked you can't have plonked he can't have plonked we can't have plonked you can't have plonked they can't have plonked	I can't have been plonking you can't have been plonking he can't have been plonking we can't have been plonking you can't have been plonking they can't have been plonking

Interrogative form

Simple form	V-ing form
can I plonk? can you plonk? can he plonk? can we plonk? can you plonk? can they plonk?	can I be plonking? can you be plonking? can he be plonking? can we be plonking? can you be plonking? can they be plonking?
Perfect	V-ing perfect
can I have plonked? can you have plonked? can he have plonked? can we have plonked? can you have plonked? can they have plonked?	can I have been plonking? can you have been plonking? can he have been plonking? can we have been plonking? can you have been plonking? can they have been plonking?

Interro-negative form

Simple form	V-ing form
can't I plonk? can't you plonk? can't he plonk? can't we plonk? can't you plonk? can't they plonk?	can't I be plonking? can't you be plonking? can't he be plonking? can't we be plonking? can't you be plonking? can't they be plonking?
Perfect	V-ing perfect
can't I have plonked? can't you have plonked? can't he have plonked? can't we have plonked? can't you have plonked? can't they have plonked?	can't I have been plonking? can't you have been plonking? can't he have been plonking? can't we have been plonking? can't you have been plonking? can't they have been plonking?