English verb conjugation
CAN FEAST

Regular verb: feast - feasted - feasted

Affirmation

Simple form	V-ing form
I can feast you can feast he can feast we can feast you can feast they can feast	I can be feasting you can be feasting he can be feasting we can be feasting you can be feasting they can be feasting
Perfect	V-ing perfect
I can have feasted you can have feasted he can have feasted we can have feasted you can have feasted they can have feasted	I can have been feasting you can have been feasting he can have been feasting we can have been feasting you can have been feasting they can have been feasting

Negation

Simple form	V-ing form
I cannot feast you cannot feast he cannot feast we cannot feast you cannot feast they cannot feast	I cannot be feasting you cannot be feasting he cannot be feasting we cannot be feasting you cannot be feasting they cannot be feasting
Perfect	V-ing perfect
I cannot have feasted you cannot have feasted he cannot have feasted we cannot have feasted you cannot have feasted they cannot have feasted	I cannot have been feasting you cannot have been feasting he cannot have been feasting we cannot have been feasting you cannot have been feasting they cannot have been feasting

Interrogative form

Simple form	V-ing form
can I feast? can you feast? can he feast? can we feast? can you feast? can they feast?	can I be feasting? can you be feasting? can he be feasting? can we be feasting? can you be feasting? can they be feasting?
Perfect	V-ing perfect
can I have feasted? can you have feasted? can he have feasted? can we have feasted? can you have feasted? can they have feasted?	can I have been feasting? can you have been feasting? can he have been feasting? can we have been feasting? can you have been feasting? can they have been feasting?

Interro-negative form

Simple form	V-ing form
can I not feast? can you not feast? can he not feast? can we not feast? can you not feast? can they not feast?	can I not be feasting? can you not be feasting? can he not be feasting? can we not be feasting? can you not be feasting? can they not be feasting?
Perfect	V-ing perfect
can I not have feasted? can you not have feasted? can he not have feasted? can we not have feasted? can you not have feasted? can they not have feasted?	can I not have been feasting? can you not have been feasting? can he not have been feasting? can we not have been feasting? can you not have been feasting? can they not have been feasting?