English verb conjugation
CAN BREAKFAST

Regular verb: breakfast - breakfasted - breakfasted

Affirmation

Simple form	V-ing form
I can breakfast you can breakfast he can breakfast we can breakfast you can breakfast they can breakfast	I can be breakfasting you can be breakfasting he can be breakfasting we can be breakfasting you can be breakfasting they can be breakfasting
Perfect	V-ing perfect
I can have breakfasted you can have breakfasted he can have breakfasted we can have breakfasted you can have breakfasted they can have breakfasted	I can have been breakfasting you can have been breakfasting he can have been breakfasting we can have been breakfasting you can have been breakfasting they can have been breakfasting

Negation

Simple form	V-ing form
I cannot breakfast you cannot breakfast he cannot breakfast we cannot breakfast you cannot breakfast they cannot breakfast	I cannot be breakfasting you cannot be breakfasting he cannot be breakfasting we cannot be breakfasting you cannot be breakfasting they cannot be breakfasting
Perfect	V-ing perfect
I cannot have breakfasted you cannot have breakfasted he cannot have breakfasted we cannot have breakfasted you cannot have breakfasted they cannot have breakfasted	I cannot have been breakfasting you cannot have been breakfasting he cannot have been breakfasting we cannot have been breakfasting you cannot have been breakfasting they cannot have been breakfasting

Interrogative form

Simple form	V-ing form
can I breakfast? can you breakfast? can he breakfast? can we breakfast? can you breakfast? can they breakfast?	can I be breakfasting? can you be breakfasting? can he be breakfasting? can we be breakfasting? can you be breakfasting? can they be breakfasting?
Perfect	V-ing perfect
can I have breakfasted? can you have breakfasted? can he have breakfasted? can we have breakfasted? can you have breakfasted? can they have breakfasted?	can I have been breakfasting? can you have been breakfasting? can he have been breakfasting? can we have been breakfasting? can you have been breakfasting? can they have been breakfasting?

Interro-negative form

Simple form	V-ing form
can I not breakfast? can you not breakfast? can he not breakfast? can we not breakfast? can you not breakfast? can they not breakfast?	can I not be breakfasting? can you not be breakfasting? can he not be breakfasting? can we not be breakfasting? can you not be breakfasting? can they not be breakfasting?
Perfect	V-ing perfect
can I not have breakfasted? can you not have breakfasted? can he not have breakfasted? can we not have breakfasted? can you not have breakfasted? can they not have breakfasted?	can I not have been breakfasting? can you not have been breakfasting? can he not have been breakfasting? can we not have been breakfasting? can you not have been breakfasting? can they not have been breakfasting?