English verb conjugation
COULD SHUCK

Regular verb: shuck - shucked - shucked

Affirmation

Simple form	V-ing form
I could shuck you could shuck he could shuck we could shuck you could shuck they could shuck	I could be shucking you could be shucking he could be shucking we could be shucking you could be shucking they could be shucking
Perfect	V-ing perfect
I could have shucked you could have shucked he could have shucked we could have shucked you could have shucked they could have shucked	I could have been shucking you could have been shucking he could have been shucking we could have been shucking you could have been shucking they could have been shucking

Negation

Simple form	V-ing form
I couldn't shuck you couldn't shuck he couldn't shuck we couldn't shuck you couldn't shuck they couldn't shuck	I couldn't be shucking you couldn't be shucking he couldn't be shucking we couldn't be shucking you couldn't be shucking they couldn't be shucking
Perfect	V-ing perfect
I couldn't have shucked you couldn't have shucked he couldn't have shucked we couldn't have shucked you couldn't have shucked they couldn't have shucked	I couldn't have been shucking you couldn't have been shucking he couldn't have been shucking we couldn't have been shucking you couldn't have been shucking they couldn't have been shucking

Interrogative form

Simple form	V-ing form
could I shuck? could you shuck? could he shuck? could we shuck? could you shuck? could they shuck?	could I be shucking? could you be shucking? could he be shucking? could we be shucking? could you be shucking? could they be shucking?
Perfect	V-ing perfect
could I have shucked? could you have shucked? could he have shucked? could we have shucked? could you have shucked? could they have shucked?	could I have been shucking? could you have been shucking? could he have been shucking? could we have been shucking? could you have been shucking? could they have been shucking?

Interro-negative form

Simple form	V-ing form
couldn't I shuck? couldn't you shuck? couldn't he shuck? couldn't we shuck? couldn't you shuck? couldn't they shuck?	couldn't I be shucking? couldn't you be shucking? couldn't he be shucking? couldn't we be shucking? couldn't you be shucking? couldn't they be shucking?
Perfect	V-ing perfect
couldn't I have shucked? couldn't you have shucked? couldn't he have shucked? couldn't we have shucked? couldn't you have shucked? couldn't they have shucked?	couldn't I have been shucking? couldn't you have been shucking? couldn't he have been shucking? couldn't we have been shucking? couldn't you have been shucking? couldn't they have been shucking?