English verb conjugation
CAN UNSEAL

Regular verb: unseal - unsealed - unsealed

Affirmation

Simple form	V-ing form
I can unseal you can unseal she can unseal we can unseal you can unseal they can unseal	I can be unsealing you can be unsealing she can be unsealing we can be unsealing you can be unsealing they can be unsealing
Perfect	V-ing perfect
I can have unsealed you can have unsealed she can have unsealed we can have unsealed you can have unsealed they can have unsealed	I can have been unsealing you can have been unsealing she can have been unsealing we can have been unsealing you can have been unsealing they can have been unsealing

Negation

Simple form	V-ing form
I cannot unseal you cannot unseal she cannot unseal we cannot unseal you cannot unseal they cannot unseal	I cannot be unsealing you cannot be unsealing she cannot be unsealing we cannot be unsealing you cannot be unsealing they cannot be unsealing
Perfect	V-ing perfect
I cannot have unsealed you cannot have unsealed she cannot have unsealed we cannot have unsealed you cannot have unsealed they cannot have unsealed	I cannot have been unsealing you cannot have been unsealing she cannot have been unsealing we cannot have been unsealing you cannot have been unsealing they cannot have been unsealing

Interrogative form

Simple form	V-ing form
can I unseal? can you unseal? can she unseal? can we unseal? can you unseal? can they unseal?	can I be unsealing? can you be unsealing? can she be unsealing? can we be unsealing? can you be unsealing? can they be unsealing?
Perfect	V-ing perfect
can I have unsealed? can you have unsealed? can she have unsealed? can we have unsealed? can you have unsealed? can they have unsealed?	can I have been unsealing? can you have been unsealing? can she have been unsealing? can we have been unsealing? can you have been unsealing? can they have been unsealing?

Interro-negative form

Simple form	V-ing form
can I not unseal? can you not unseal? can she not unseal? can we not unseal? can you not unseal? can they not unseal?	can I not be unsealing? can you not be unsealing? can she not be unsealing? can we not be unsealing? can you not be unsealing? can they not be unsealing?
Perfect	V-ing perfect
can I not have unsealed? can you not have unsealed? can she not have unsealed? can we not have unsealed? can you not have unsealed? can they not have unsealed?	can I not have been unsealing? can you not have been unsealing? can she not have been unsealing? can we not have been unsealing? can you not have been unsealing? can they not have been unsealing?