English verb conjugation
CAN DIAGRAM

Regular verb: diagram - diagramed - diagramed

Affirmation

Simple form	V-ing form
I can diagram you can diagram he can diagram we can diagram you can diagram they can diagram	I can be diagraming you can be diagraming he 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 he 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 he 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 cannot diagram you cannot diagram he cannot diagram we cannot diagram you cannot diagram they cannot diagram	I cannot be diagraming you cannot be diagraming he cannot be diagraming we cannot be diagraming you cannot be diagraming they cannot be diagraming
Perfect	V-ing perfect
I cannot have diagramed you cannot have diagramed he cannot have diagramed we cannot have diagramed you cannot have diagramed they cannot have diagramed	I cannot have been diagraming you cannot have been diagraming he cannot have been diagraming we cannot have been diagraming you cannot have been diagraming they cannot have been diagraming

Interrogative form

Simple form	V-ing form
can I diagram? can you diagram? can he diagram? can we diagram? can you diagram? can they diagram?	can I be diagraming? can you be diagraming? can he 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 he 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 he 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 I not diagram? can you not diagram? can he not diagram? can we not diagram? can you not diagram? can they not diagram?	can I not be diagraming? can you not be diagraming? can he not be diagraming? can we not be diagraming? can you not be diagraming? can they not be diagraming?
Perfect	V-ing perfect
can I not have diagramed? can you not have diagramed? can he not have diagramed? can we not have diagramed? can you not have diagramed? can they not have diagramed?	can I not have been diagraming? can you not have been diagraming? can he not have been diagraming? can we not have been diagraming? can you not have been diagraming? can they not have been diagraming?