can feast
Regular verb: feast - feasted- feasted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can feast
you can feast
she can feast
we can feast
you can feast
they can feast 	I can be feasting
you can be feasting
she can be feasting
we can be feasting
you can be feasting
they can be feasting	I can have feasted
you can have feasted
she 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
she 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 	Perfect 	V-ing perfect 	
I can't feast
you can't feast
she can't feast
we can't feast
you can't feast
they can't feast 	I can't be feasting
you can't be feasting
she can't be feasting
we can't be feasting
you can't be feasting
they can't be feasting	I can't have feasted
you can't have feasted
she can't have feasted
we can't have feasted
you can't have feasted
they can't have feasted	I can't have been feasting
you can't have been feasting
she can't have been feasting
we can't have been feasting
you can't have been feasting
they can't have been feasting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I feast?
can you feast?
can she feast?
can we feast?
can you feast?
can they feast? 	can I be feasting?
can you be feasting?
can she be feasting?
can we be feasting?
can you be feasting?
can they be feasting? 	can I have feasted?
can you have feasted?
can she 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 she 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 	Perfect 	V-ing perfect 	
can't I feast?
can't you feast?
can't she feast?
can't we feast?
can't you feast?
can't they feast? 	can't I be feasting?
can't you be feasting?
can't she be feasting?
can't we be feasting?
can't you be feasting?
can't they be feasting? 	can't I have feasted?
can't you have feasted?
can't she have feasted?
can't we have feasted?
can't you have feasted?
can't they have feasted? 	can't I have been feasting?
can't you have been feasting?
can't she have been feasting?
can't we have been feasting?
can't you have been feasting?
can't they have been feasting?