English verb conjugation
CAN KECK

Regular verb: keck - kecked - kecked

Affirmation

Simple form	V-ing form
I can keck you can keck he can keck we can keck you can keck they can keck	I can be kecking you can be kecking he can be kecking we can be kecking you can be kecking they can be kecking
Perfect	V-ing perfect
I can have kecked you can have kecked he can have kecked we can have kecked you can have kecked they can have kecked	I can have been kecking you can have been kecking he can have been kecking we can have been kecking you can have been kecking they can have been kecking

Negation

Simple form	V-ing form
I cannot keck you cannot keck he cannot keck we cannot keck you cannot keck they cannot keck	I cannot be kecking you cannot be kecking he cannot be kecking we cannot be kecking you cannot be kecking they cannot be kecking
Perfect	V-ing perfect
I cannot have kecked you cannot have kecked he cannot have kecked we cannot have kecked you cannot have kecked they cannot have kecked	I cannot have been kecking you cannot have been kecking he cannot have been kecking we cannot have been kecking you cannot have been kecking they cannot have been kecking

Interrogative form

Simple form	V-ing form
can I keck? can you keck? can he keck? can we keck? can you keck? can they keck?	can I be kecking? can you be kecking? can he be kecking? can we be kecking? can you be kecking? can they be kecking?
Perfect	V-ing perfect
can I have kecked? can you have kecked? can he have kecked? can we have kecked? can you have kecked? can they have kecked?	can I have been kecking? can you have been kecking? can he have been kecking? can we have been kecking? can you have been kecking? can they have been kecking?

Interro-negative form

Simple form	V-ing form
can I not keck? can you not keck? can he not keck? can we not keck? can you not keck? can they not keck?	can I not be kecking? can you not be kecking? can he not be kecking? can we not be kecking? can you not be kecking? can they not be kecking?
Perfect	V-ing perfect
can I not have kecked? can you not have kecked? can he not have kecked? can we not have kecked? can you not have kecked? can they not have kecked?	can I not have been kecking? can you not have been kecking? can he not have been kecking? can we not have been kecking? can you not have been kecking? can they not have been kecking?