English verb conjugation
COULD SHUT

Irregular verb: shut - shut - shut

Affirmation

Simple form	V-ing form
I could shut you could shut he could shut we could shut you could shut they could shut	I could be shutting you could be shutting he could be shutting we could be shutting you could be shutting they could be shutting
Perfect	V-ing perfect
I could have shut you could have shut he could have shut we could have shut you could have shut they could have shut	I could have been shutting you could have been shutting he could have been shutting we could have been shutting you could have been shutting they could have been shutting

Negation

Simple form	V-ing form
I could not shut you could not shut he could not shut we could not shut you could not shut they could not shut	I could not be shutting you could not be shutting he could not be shutting we could not be shutting you could not be shutting they could not be shutting
Perfect	V-ing perfect
I could not have shut you could not have shut he could not have shut we could not have shut you could not have shut they could not have shut	I could not have been shutting you could not have been shutting he could not have been shutting we could not have been shutting you could not have been shutting they could not have been shutting

Interrogative form

Simple form	V-ing form
could I shut? could you shut? could he shut? could we shut? could you shut? could they shut?	could I be shutting? could you be shutting? could he be shutting? could we be shutting? could you be shutting? could they be shutting?
Perfect	V-ing perfect
could I have shut? could you have shut? could he have shut? could we have shut? could you have shut? could they have shut?	could I have been shutting? could you have been shutting? could he have been shutting? could we have been shutting? could you have been shutting? could they have been shutting?

Interro-negative form

Simple form	V-ing form
could I not shut? could you not shut? could he not shut? could we not shut? could you not shut? could they not shut?	could I not be shutting? could you not be shutting? could he not be shutting? could we not be shutting? could you not be shutting? could they not be shutting?
Perfect	V-ing perfect
could I not have shut? could you not have shut? could he not have shut? could we not have shut? could you not have shut? could they not have shut?	could I not have been shutting? could you not have been shutting? could he not have been shutting? could we not have been shutting? could you not have been shutting? could they not have been shutting?