English verb conjugation
CAN UNSTITCH

Regular verb: unstitch - unstitched - unstitched

Affirmation

Simple form	V-ing form
I can unstitch you can unstitch he can unstitch we can unstitch you can unstitch they can unstitch	I can be unstitching you can be unstitching he can be unstitching we can be unstitching you can be unstitching they can be unstitching
Perfect	V-ing perfect
I can have unstitched you can have unstitched he can have unstitched we can have unstitched you can have unstitched they can have unstitched	I can have been unstitching you can have been unstitching he can have been unstitching we can have been unstitching you can have been unstitching they can have been unstitching

Negation

Simple form	V-ing form
I cannot unstitch you cannot unstitch he cannot unstitch we cannot unstitch you cannot unstitch they cannot unstitch	I cannot be unstitching you cannot be unstitching he cannot be unstitching we cannot be unstitching you cannot be unstitching they cannot be unstitching
Perfect	V-ing perfect
I cannot have unstitched you cannot have unstitched he cannot have unstitched we cannot have unstitched you cannot have unstitched they cannot have unstitched	I cannot have been unstitching you cannot have been unstitching he cannot have been unstitching we cannot have been unstitching you cannot have been unstitching they cannot have been unstitching

Interrogative form

Simple form	V-ing form
can I unstitch? can you unstitch? can he unstitch? can we unstitch? can you unstitch? can they unstitch?	can I be unstitching? can you be unstitching? can he be unstitching? can we be unstitching? can you be unstitching? can they be unstitching?
Perfect	V-ing perfect
can I have unstitched? can you have unstitched? can he have unstitched? can we have unstitched? can you have unstitched? can they have unstitched?	can I have been unstitching? can you have been unstitching? can he have been unstitching? can we have been unstitching? can you have been unstitching? can they have been unstitching?

Interro-negative form

Simple form	V-ing form
can I not unstitch? can you not unstitch? can he not unstitch? can we not unstitch? can you not unstitch? can they not unstitch?	can I not be unstitching? can you not be unstitching? can he not be unstitching? can we not be unstitching? can you not be unstitching? can they not be unstitching?
Perfect	V-ing perfect
can I not have unstitched? can you not have unstitched? can he not have unstitched? can we not have unstitched? can you not have unstitched? can they not have unstitched?	can I not have been unstitching? can you not have been unstitching? can he not have been unstitching? can we not have been unstitching? can you not have been unstitching? can they not have been unstitching?