English verb conjugation
COULD SHUT

Irregular verb: shut - shut - shut

Affirmation

Simple form	V-ing form
I could shut you could shut she could shut we could shut you could shut they could shut	I could be shutting you could be shutting she 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 she 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 she 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 couldn't shut you couldn't shut she couldn't shut we couldn't shut you couldn't shut they couldn't shut	I couldn't be shutting you couldn't be shutting she couldn't be shutting we couldn't be shutting you couldn't be shutting they couldn't be shutting
Perfect	V-ing perfect
I couldn't have shut you couldn't have shut she couldn't have shut we couldn't have shut you couldn't have shut they couldn't have shut	I couldn't have been shutting you couldn't have been shutting she couldn't have been shutting we couldn't have been shutting you couldn't have been shutting they couldn't have been shutting

Interrogative form

Simple form	V-ing form
could I shut? could you shut? could she shut? could we shut? could you shut? could they shut?	could I be shutting? could you be shutting? could she 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 she 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 she 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
couldn't I shut? couldn't you shut? couldn't she shut? couldn't we shut? couldn't you shut? couldn't they shut?	couldn't I be shutting? couldn't you be shutting? couldn't she be shutting? couldn't we be shutting? couldn't you be shutting? couldn't they be shutting?
Perfect	V-ing perfect
couldn't I have shut? couldn't you have shut? couldn't she have shut? couldn't we have shut? couldn't you have shut? couldn't they have shut?	couldn't I have been shutting? couldn't you have been shutting? couldn't she have been shutting? couldn't we have been shutting? couldn't you have been shutting? couldn't they have been shutting?