English verb conjugation
CAN DIAGRAM

Regular verb: diagram - diagramed - diagramed

Affirmation

Simple form	V-ing form
I can diagram you can diagram she can diagram we can diagram you can diagram they can diagram	I can be diagraming you can be diagraming she can be diagraming we can be diagraming you can be diagraming they can be diagraming
Perfect	V-ing perfect
I can have diagramed you can have diagramed she can have diagramed we can have diagramed you can have diagramed they can have diagramed	I can have been diagraming you can have been diagraming she can have been diagraming we can have been diagraming you can have been diagraming they can have been diagraming

Negation

Simple form	V-ing form
I can't diagram you can't diagram she can't diagram we can't diagram you can't diagram they can't diagram	I can't be diagraming you can't be diagraming she can't be diagraming we can't be diagraming you can't be diagraming they can't be diagraming
Perfect	V-ing perfect
I can't have diagramed you can't have diagramed she can't have diagramed we can't have diagramed you can't have diagramed they can't have diagramed	I can't have been diagraming you can't have been diagraming she can't have been diagraming we can't have been diagraming you can't have been diagraming they can't have been diagraming

Interrogative form

Simple form	V-ing form
can I diagram? can you diagram? can she diagram? can we diagram? can you diagram? can they diagram?	can I be diagraming? can you be diagraming? can she be diagraming? can we be diagraming? can you be diagraming? can they be diagraming?
Perfect	V-ing perfect
can I have diagramed? can you have diagramed? can she have diagramed? can we have diagramed? can you have diagramed? can they have diagramed?	can I have been diagraming? can you have been diagraming? can she have been diagraming? can we have been diagraming? can you have been diagraming? can they have been diagraming?

Interro-negative form

Simple form	V-ing form
can't I diagram? can't you diagram? can't she diagram? can't we diagram? can't you diagram? can't they diagram?	can't I be diagraming? can't you be diagraming? can't she be diagraming? can't we be diagraming? can't you be diagraming? can't they be diagraming?
Perfect	V-ing perfect
can't I have diagramed? can't you have diagramed? can't she have diagramed? can't we have diagramed? can't you have diagramed? can't they have diagramed?	can't I have been diagraming? can't you have been diagraming? can't she have been diagraming? can't we have been diagraming? can't you have been diagraming? can't they have been diagraming?