I can bag you can bag she can bag we can bag you can bag they can bag
V-ing form
I can be bagging you can be bagging she can be bagging we can be bagging you can be bagging they can be bagging
Perfect
I can have bagged you can have bagged she can have bagged we can have bagged you can have bagged they can have bagged
V-ing perfect
I can have been bagging you can have been bagging she can have been bagging we can have been bagging you can have been bagging they can have been bagging
Negation
Simple form
I cannot bag you cannot bag she cannot bag we cannot bag you cannot bag they cannot bag
V-ing form
I cannot be bagging you cannot be bagging she cannot be bagging we cannot be bagging you cannot be bagging they cannot be bagging
Perfect
I cannot have bagged you cannot have bagged she cannot have bagged we cannot have bagged you cannot have bagged they cannot have bagged
V-ing perfect
I cannot have been bagging you cannot have been bagging she cannot have been bagging we cannot have been bagging you cannot have been bagging they cannot have been bagging
Interrogative form
Simple form
can I bag? can you bag? can she bag? can we bag? can you bag? can they bag?
V-ing form
can I be bagging? can you be bagging? can she be bagging? can we be bagging? can you be bagging? can they be bagging?
Perfect
can I have bagged? can you have bagged? can she have bagged? can we have bagged? can you have bagged? can they have bagged?
V-ing perfect
can I have been bagging? can you have been bagging? can she have been bagging? can we have been bagging? can you have been bagging? can they have been bagging?
Interro-negative form
Simple form
can I not bag? can you not bag? can she not bag? can we not bag? can you not bag? can they not bag?
V-ing form
can I not be bagging? can you not be bagging? can she not be bagging? can we not be bagging? can you not be bagging? can they not be bagging?
Perfect
can I not have bagged? can you not have bagged? can she not have bagged? can we not have bagged? can you not have bagged? can they not have bagged?
V-ing perfect
can I not have been bagging? can you not have been bagging? can she not have been bagging? can we not have been bagging? can you not have been bagging? can they not have been bagging?