English verb conjugation
CAN CORK

Regular verb: cork - corked - corked

Affirmation

Simple form	V-ing form
I can cork you can cork he can cork we can cork you can cork they can cork	I can be corking you can be corking he can be corking we can be corking you can be corking they can be corking
Perfect	V-ing perfect
I can have corked you can have corked he can have corked we can have corked you can have corked they can have corked	I can have been corking you can have been corking he can have been corking we can have been corking you can have been corking they can have been corking

Negation

Simple form	V-ing form
I cannot cork you cannot cork he cannot cork we cannot cork you cannot cork they cannot cork	I cannot be corking you cannot be corking he cannot be corking we cannot be corking you cannot be corking they cannot be corking
Perfect	V-ing perfect
I cannot have corked you cannot have corked he cannot have corked we cannot have corked you cannot have corked they cannot have corked	I cannot have been corking you cannot have been corking he cannot have been corking we cannot have been corking you cannot have been corking they cannot have been corking

Interrogative form

Simple form	V-ing form
can I cork? can you cork? can he cork? can we cork? can you cork? can they cork?	can I be corking? can you be corking? can he be corking? can we be corking? can you be corking? can they be corking?
Perfect	V-ing perfect
can I have corked? can you have corked? can he have corked? can we have corked? can you have corked? can they have corked?	can I have been corking? can you have been corking? can he have been corking? can we have been corking? can you have been corking? can they have been corking?

Interro-negative form

Simple form	V-ing form
can I not cork? can you not cork? can he not cork? can we not cork? can you not cork? can they not cork?	can I not be corking? can you not be corking? can he not be corking? can we not be corking? can you not be corking? can they not be corking?
Perfect	V-ing perfect
can I not have corked? can you not have corked? can he not have corked? can we not have corked? can you not have corked? can they not have corked?	can I not have been corking? can you not have been corking? can he not have been corking? can we not have been corking? can you not have been corking? can they not have been corking?