English verb conjugation
CAN CHOCK

Regular verb: chock - chocked - chocked

Affirmation

Simple form	V-ing form
I can chock you can chock he can chock we can chock you can chock they can chock	I can be chocking you can be chocking he can be chocking we can be chocking you can be chocking they can be chocking
Perfect	V-ing perfect
I can have chocked you can have chocked he can have chocked we can have chocked you can have chocked they can have chocked	I can have been chocking you can have been chocking he can have been chocking we can have been chocking you can have been chocking they can have been chocking

Negation

Simple form	V-ing form
I cannot chock you cannot chock he cannot chock we cannot chock you cannot chock they cannot chock	I cannot be chocking you cannot be chocking he cannot be chocking we cannot be chocking you cannot be chocking they cannot be chocking
Perfect	V-ing perfect
I cannot have chocked you cannot have chocked he cannot have chocked we cannot have chocked you cannot have chocked they cannot have chocked	I cannot have been chocking you cannot have been chocking he cannot have been chocking we cannot have been chocking you cannot have been chocking they cannot have been chocking

Interrogative form

Simple form	V-ing form
can I chock? can you chock? can he chock? can we chock? can you chock? can they chock?	can I be chocking? can you be chocking? can he be chocking? can we be chocking? can you be chocking? can they be chocking?
Perfect	V-ing perfect
can I have chocked? can you have chocked? can he have chocked? can we have chocked? can you have chocked? can they have chocked?	can I have been chocking? can you have been chocking? can he have been chocking? can we have been chocking? can you have been chocking? can they have been chocking?

Interro-negative form

Simple form	V-ing form
can I not chock? can you not chock? can he not chock? can we not chock? can you not chock? can they not chock?	can I not be chocking? can you not be chocking? can he not be chocking? can we not be chocking? can you not be chocking? can they not be chocking?
Perfect	V-ing perfect
can I not have chocked? can you not have chocked? can he not have chocked? can we not have chocked? can you not have chocked? can they not have chocked?	can I not have been chocking? can you not have been chocking? can he not have been chocking? can we not have been chocking? can you not have been chocking? can they not have been chocking?