English verb conjugation
CAN CHUG

Regular verb: chug - chugged - chugged

Affirmation

Simple form	V-ing form
I can chug you can chug she can chug we can chug you can chug they can chug	I can be chugging you can be chugging she 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 she 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 she 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 she cannot chug we cannot chug you cannot chug they cannot chug	I cannot be chugging you cannot be chugging she 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 she 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 she 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 she chug? can we chug? can you chug? can they chug?	can I be chugging? can you be chugging? can she 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 she 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 she 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 she 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 she 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 she 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 she not have been chugging? can we not have been chugging? can you not have been chugging? can they not have been chugging?