English verb conjugation
CAN BUS

Regular verb: bus - bussed - bussed

Affirmation

Simple form	V-ing form
I can bus you can bus she can bus we can bus you can bus they can bus	I can be bussing you can be bussing she can be bussing we can be bussing you can be bussing they can be bussing
Perfect	V-ing perfect
I can have bussed you can have bussed she can have bussed we can have bussed you can have bussed they can have bussed	I can have been bussing you can have been bussing she can have been bussing we can have been bussing you can have been bussing they can have been bussing

Negation

Simple form	V-ing form
I cannot bus you cannot bus she cannot bus we cannot bus you cannot bus they cannot bus	I cannot be bussing you cannot be bussing she cannot be bussing we cannot be bussing you cannot be bussing they cannot be bussing
Perfect	V-ing perfect
I cannot have bussed you cannot have bussed she cannot have bussed we cannot have bussed you cannot have bussed they cannot have bussed	I cannot have been bussing you cannot have been bussing she cannot have been bussing we cannot have been bussing you cannot have been bussing they cannot have been bussing

Interrogative form

Simple form	V-ing form
can I bus? can you bus? can she bus? can we bus? can you bus? can they bus?	can I be bussing? can you be bussing? can she be bussing? can we be bussing? can you be bussing? can they be bussing?
Perfect	V-ing perfect
can I have bussed? can you have bussed? can she have bussed? can we have bussed? can you have bussed? can they have bussed?	can I have been bussing? can you have been bussing? can she have been bussing? can we have been bussing? can you have been bussing? can they have been bussing?

Interro-negative form

Simple form	V-ing form
can I not bus? can you not bus? can she not bus? can we not bus? can you not bus? can they not bus?	can I not be bussing? can you not be bussing? can she not be bussing? can we not be bussing? can you not be bussing? can they not be bussing?
Perfect	V-ing perfect
can I not have bussed? can you not have bussed? can she not have bussed? can we not have bussed? can you not have bussed? can they not have bussed?	can I not have been bussing? can you not have been bussing? can she not have been bussing? can we not have been bussing? can you not have been bussing? can they not have been bussing?