English verb conjugation
CAN UNLATCH

Regular verb: unlatch - unlatched - unlatched

Affirmation

Simple form	V-ing form
I can unlatch you can unlatch he can unlatch we can unlatch you can unlatch they can unlatch	I can be unlatching you can be unlatching he can be unlatching we can be unlatching you can be unlatching they can be unlatching
Perfect	V-ing perfect
I can have unlatched you can have unlatched he can have unlatched we can have unlatched you can have unlatched they can have unlatched	I can have been unlatching you can have been unlatching he can have been unlatching we can have been unlatching you can have been unlatching they can have been unlatching

Negation

Simple form	V-ing form
I cannot unlatch you cannot unlatch he cannot unlatch we cannot unlatch you cannot unlatch they cannot unlatch	I cannot be unlatching you cannot be unlatching he cannot be unlatching we cannot be unlatching you cannot be unlatching they cannot be unlatching
Perfect	V-ing perfect
I cannot have unlatched you cannot have unlatched he cannot have unlatched we cannot have unlatched you cannot have unlatched they cannot have unlatched	I cannot have been unlatching you cannot have been unlatching he cannot have been unlatching we cannot have been unlatching you cannot have been unlatching they cannot have been unlatching

Interrogative form

Simple form	V-ing form
can I unlatch? can you unlatch? can he unlatch? can we unlatch? can you unlatch? can they unlatch?	can I be unlatching? can you be unlatching? can he be unlatching? can we be unlatching? can you be unlatching? can they be unlatching?
Perfect	V-ing perfect
can I have unlatched? can you have unlatched? can he have unlatched? can we have unlatched? can you have unlatched? can they have unlatched?	can I have been unlatching? can you have been unlatching? can he have been unlatching? can we have been unlatching? can you have been unlatching? can they have been unlatching?

Interro-negative form

Simple form	V-ing form
can I not unlatch? can you not unlatch? can he not unlatch? can we not unlatch? can you not unlatch? can they not unlatch?	can I not be unlatching? can you not be unlatching? can he not be unlatching? can we not be unlatching? can you not be unlatching? can they not be unlatching?
Perfect	V-ing perfect
can I not have unlatched? can you not have unlatched? can he not have unlatched? can we not have unlatched? can you not have unlatched? can they not have unlatched?	can I not have been unlatching? can you not have been unlatching? can he not have been unlatching? can we not have been unlatching? can you not have been unlatching? can they not have been unlatching?