English verb conjugation
CAN UNSTRING

Irregular verb: unstring - unstrung - unstrung

Affirmation

Simple form	V-ing form
I can unstring you can unstring she can unstring we can unstring you can unstring they can unstring	I can be unstringing you can be unstringing she can be unstringing we can be unstringing you can be unstringing they can be unstringing
Perfect	V-ing perfect
I can have unstrung you can have unstrung she can have unstrung we can have unstrung you can have unstrung they can have unstrung	I can have been unstringing you can have been unstringing she can have been unstringing we can have been unstringing you can have been unstringing they can have been unstringing

Negation

Simple form	V-ing form
I cannot unstring you cannot unstring she cannot unstring we cannot unstring you cannot unstring they cannot unstring	I cannot be unstringing you cannot be unstringing she cannot be unstringing we cannot be unstringing you cannot be unstringing they cannot be unstringing
Perfect	V-ing perfect
I cannot have unstrung you cannot have unstrung she cannot have unstrung we cannot have unstrung you cannot have unstrung they cannot have unstrung	I cannot have been unstringing you cannot have been unstringing she cannot have been unstringing we cannot have been unstringing you cannot have been unstringing they cannot have been unstringing

Interrogative form

Simple form	V-ing form
can I unstring? can you unstring? can she unstring? can we unstring? can you unstring? can they unstring?	can I be unstringing? can you be unstringing? can she be unstringing? can we be unstringing? can you be unstringing? can they be unstringing?
Perfect	V-ing perfect
can I have unstrung? can you have unstrung? can she have unstrung? can we have unstrung? can you have unstrung? can they have unstrung?	can I have been unstringing? can you have been unstringing? can she have been unstringing? can we have been unstringing? can you have been unstringing? can they have been unstringing?

Interro-negative form

Simple form	V-ing form
can I not unstring? can you not unstring? can she not unstring? can we not unstring? can you not unstring? can they not unstring?	can I not be unstringing? can you not be unstringing? can she not be unstringing? can we not be unstringing? can you not be unstringing? can they not be unstringing?
Perfect	V-ing perfect
can I not have unstrung? can you not have unstrung? can she not have unstrung? can we not have unstrung? can you not have unstrung? can they not have unstrung?	can I not have been unstringing? can you not have been unstringing? can she not have been unstringing? can we not have been unstringing? can you not have been unstringing? can they not have been unstringing?