English verb conjugation
CAN OVERFILL

Regular verb: overfill - overfilled - overfilled

Affirmation

Simple form	V-ing form
I can overfill you can overfill he can overfill we can overfill you can overfill they can overfill	I can be overfilling you can be overfilling he 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 he 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 he 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 cannot overfill you cannot overfill he cannot overfill we cannot overfill you cannot overfill they cannot overfill	I cannot be overfilling you cannot be overfilling he cannot be overfilling we cannot be overfilling you cannot be overfilling they cannot be overfilling
Perfect	V-ing perfect
I cannot have overfilled you cannot have overfilled he cannot have overfilled we cannot have overfilled you cannot have overfilled they cannot have overfilled	I cannot have been overfilling you cannot have been overfilling he cannot have been overfilling we cannot have been overfilling you cannot have been overfilling they cannot have been overfilling

Interrogative form

Simple form	V-ing form
can I overfill? can you overfill? can he overfill? can we overfill? can you overfill? can they overfill?	can I be overfilling? can you be overfilling? can he 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 he 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 he 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 I not overfill? can you not overfill? can he not overfill? can we not overfill? can you not overfill? can they not overfill?	can I not be overfilling? can you not be overfilling? can he not be overfilling? can we not be overfilling? can you not be overfilling? can they not be overfilling?
Perfect	V-ing perfect
can I not have overfilled? can you not have overfilled? can he not have overfilled? can we not have overfilled? can you not have overfilled? can they not have overfilled?	can I not have been overfilling? can you not have been overfilling? can he not have been overfilling? can we not have been overfilling? can you not have been overfilling? can they not have been overfilling?