English verb conjugation
CAN UNLOCK

Regular verb: unlock - unlocked - unlocked

Affirmation

Simple form	V-ing form
I can unlock you can unlock she can unlock we can unlock you can unlock they can unlock	I can be unlocking you can be unlocking she can be unlocking we can be unlocking you can be unlocking they can be unlocking
Perfect	V-ing perfect
I can have unlocked you can have unlocked she can have unlocked we can have unlocked you can have unlocked they can have unlocked	I can have been unlocking you can have been unlocking she can have been unlocking we can have been unlocking you can have been unlocking they can have been unlocking

Negation

Simple form	V-ing form
I cannot unlock you cannot unlock she cannot unlock we cannot unlock you cannot unlock they cannot unlock	I cannot be unlocking you cannot be unlocking she cannot be unlocking we cannot be unlocking you cannot be unlocking they cannot be unlocking
Perfect	V-ing perfect
I cannot have unlocked you cannot have unlocked she cannot have unlocked we cannot have unlocked you cannot have unlocked they cannot have unlocked	I cannot have been unlocking you cannot have been unlocking she cannot have been unlocking we cannot have been unlocking you cannot have been unlocking they cannot have been unlocking

Interrogative form

Simple form	V-ing form
can I unlock? can you unlock? can she unlock? can we unlock? can you unlock? can they unlock?	can I be unlocking? can you be unlocking? can she be unlocking? can we be unlocking? can you be unlocking? can they be unlocking?
Perfect	V-ing perfect
can I have unlocked? can you have unlocked? can she have unlocked? can we have unlocked? can you have unlocked? can they have unlocked?	can I have been unlocking? can you have been unlocking? can she have been unlocking? can we have been unlocking? can you have been unlocking? can they have been unlocking?

Interro-negative form

Simple form	V-ing form
can I not unlock? can you not unlock? can she not unlock? can we not unlock? can you not unlock? can they not unlock?	can I not be unlocking? can you not be unlocking? can she not be unlocking? can we not be unlocking? can you not be unlocking? can they not be unlocking?
Perfect	V-ing perfect
can I not have unlocked? can you not have unlocked? can she not have unlocked? can we not have unlocked? can you not have unlocked? can they not have unlocked?	can I not have been unlocking? can you not have been unlocking? can she not have been unlocking? can we not have been unlocking? can you not have been unlocking? can they not have been unlocking?