English verb conjugation
CAN CHUG

Regular verb: chug - chugged - chugged

Affirmation

Simple form	V-ing form
I can chug you can chug he can chug we can chug you can chug they can chug	I can be chugging you can be chugging he can be chugging we can be chugging you can be chugging they can be chugging
Perfect	V-ing perfect
I can have chugged you can have chugged he can have chugged we can have chugged you can have chugged they can have chugged	I can have been chugging you can have been chugging he can have been chugging we can have been chugging you can have been chugging they can have been chugging

Negation

Simple form	V-ing form
I cannot chug you cannot chug he cannot chug we cannot chug you cannot chug they cannot chug	I cannot be chugging you cannot be chugging he cannot be chugging we cannot be chugging you cannot be chugging they cannot be chugging
Perfect	V-ing perfect
I cannot have chugged you cannot have chugged he cannot have chugged we cannot have chugged you cannot have chugged they cannot have chugged	I cannot have been chugging you cannot have been chugging he cannot have been chugging we cannot have been chugging you cannot have been chugging they cannot have been chugging

Interrogative form

Simple form	V-ing form
can I chug? can you chug? can he chug? can we chug? can you chug? can they chug?	can I be chugging? can you be chugging? can he be chugging? can we be chugging? can you be chugging? can they be chugging?
Perfect	V-ing perfect
can I have chugged? can you have chugged? can he have chugged? can we have chugged? can you have chugged? can they have chugged?	can I have been chugging? can you have been chugging? can he have been chugging? can we have been chugging? can you have been chugging? can they have been chugging?

Interro-negative form

Simple form	V-ing form
can I not chug? can you not chug? can he not chug? can we not chug? can you not chug? can they not chug?	can I not be chugging? can you not be chugging? can he not be chugging? can we not be chugging? can you not be chugging? can they not be chugging?
Perfect	V-ing perfect
can I not have chugged? can you not have chugged? can he not have chugged? can we not have chugged? can you not have chugged? can they not have chugged?	can I not have been chugging? can you not have been chugging? can he not have been chugging? can we not have been chugging? can you not have been chugging? can they not have been chugging?