English verb conjugation
COULD SHEAR

Irregular verb: shear - sheared - sheared, shorn

Affirmation

Simple form	V-ing form
I could shear you could shear she could shear we could shear you could shear they could shear	I could be shearing you could be shearing she could be shearing we could be shearing you could be shearing they could be shearing
Perfect	V-ing perfect
I could have sheared, shorn you could have sheared, shorn she could have sheared, shorn we could have sheared, shorn you could have sheared, shorn they could have sheared, shorn	I could have been shearing you could have been shearing she could have been shearing we could have been shearing you could have been shearing they could have been shearing

Negation

Simple form	V-ing form
I couldn't shear you couldn't shear she couldn't shear we couldn't shear you couldn't shear they couldn't shear	I couldn't be shearing you couldn't be shearing she couldn't be shearing we couldn't be shearing you couldn't be shearing they couldn't be shearing
Perfect	V-ing perfect
I couldn't have sheared, shorn you couldn't have sheared, shorn she couldn't have sheared, shorn we couldn't have sheared, shorn you couldn't have sheared, shorn they couldn't have sheared, shorn	I couldn't have been shearing you couldn't have been shearing she couldn't have been shearing we couldn't have been shearing you couldn't have been shearing they couldn't have been shearing

Interrogative form

Simple form	V-ing form
could I shear? could you shear? could she shear? could we shear? could you shear? could they shear?	could I be shearing? could you be shearing? could she be shearing? could we be shearing? could you be shearing? could they be shearing?
Perfect	V-ing perfect
could I have sheared, shorn? could you have sheared, shorn? could she have sheared, shorn? could we have sheared, shorn? could you have sheared, shorn? could they have sheared, shorn?	could I have been shearing? could you have been shearing? could she have been shearing? could we have been shearing? could you have been shearing? could they have been shearing?

Interro-negative form

Simple form	V-ing form
couldn't I shear? couldn't you shear? couldn't she shear? couldn't we shear? couldn't you shear? couldn't they shear?	couldn't I be shearing? couldn't you be shearing? couldn't she be shearing? couldn't we be shearing? couldn't you be shearing? couldn't they be shearing?
Perfect	V-ing perfect
couldn't I have sheared, shorn? couldn't you have sheared, shorn? couldn't she have sheared, shorn? couldn't we have sheared, shorn? couldn't you have sheared, shorn? couldn't they have sheared, shorn?	couldn't I have been shearing? couldn't you have been shearing? couldn't she have been shearing? couldn't we have been shearing? couldn't you have been shearing? couldn't they have been shearing?