English verb conjugation
CAN OVERFILL

Regular verb: overfill - overfilled - overfilled

Affirmation

Simple form	V-ing form
I can overfill you can overfill she can overfill we can overfill you can overfill they can overfill	I can be overfilling you can be overfilling she can be overfilling we can be overfilling you can be overfilling they can be overfilling
Perfect	V-ing perfect
I can have overfilled you can have overfilled she can have overfilled we can have overfilled you can have overfilled they can have overfilled	I can have been overfilling you can have been overfilling she can have been overfilling we can have been overfilling you can have been overfilling they can have been overfilling

Negation

Simple form	V-ing form
I can't overfill you can't overfill she can't overfill we can't overfill you can't overfill they can't overfill	I can't be overfilling you can't be overfilling she can't be overfilling we can't be overfilling you can't be overfilling they can't be overfilling
Perfect	V-ing perfect
I can't have overfilled you can't have overfilled she can't have overfilled we can't have overfilled you can't have overfilled they can't have overfilled	I can't have been overfilling you can't have been overfilling she can't have been overfilling we can't have been overfilling you can't have been overfilling they can't have been overfilling

Interrogative form

Simple form	V-ing form
can I overfill? can you overfill? can she overfill? can we overfill? can you overfill? can they overfill?	can I be overfilling? can you be overfilling? can she be overfilling? can we be overfilling? can you be overfilling? can they be overfilling?
Perfect	V-ing perfect
can I have overfilled? can you have overfilled? can she have overfilled? can we have overfilled? can you have overfilled? can they have overfilled?	can I have been overfilling? can you have been overfilling? can she have been overfilling? can we have been overfilling? can you have been overfilling? can they have been overfilling?

Interro-negative form

Simple form	V-ing form
can't I overfill? can't you overfill? can't she overfill? can't we overfill? can't you overfill? can't they overfill?	can't I be overfilling? can't you be overfilling? can't she be overfilling? can't we be overfilling? can't you be overfilling? can't they be overfilling?
Perfect	V-ing perfect
can't I have overfilled? can't you have overfilled? can't she have overfilled? can't we have overfilled? can't you have overfilled? can't they have overfilled?	can't I have been overfilling? can't you have been overfilling? can't she have been overfilling? can't we have been overfilling? can't you have been overfilling? can't they have been overfilling?