English verb conjugation
COULD SHEETROCK

Regular verb: sheetrock - sheetrocked - sheetrocked

Affirmation

Simple form	V-ing form
I could sheetrock you could sheetrock he could sheetrock we could sheetrock you could sheetrock they could sheetrock	I could be sheetrocking you could be sheetrocking he could be sheetrocking we could be sheetrocking you could be sheetrocking they could be sheetrocking
Perfect	V-ing perfect
I could have sheetrocked you could have sheetrocked he could have sheetrocked we could have sheetrocked you could have sheetrocked they could have sheetrocked	I could have been sheetrocking you could have been sheetrocking he could have been sheetrocking we could have been sheetrocking you could have been sheetrocking they could have been sheetrocking

Negation

Simple form	V-ing form
I couldn't sheetrock you couldn't sheetrock he couldn't sheetrock we couldn't sheetrock you couldn't sheetrock they couldn't sheetrock	I couldn't be sheetrocking you couldn't be sheetrocking he couldn't be sheetrocking we couldn't be sheetrocking you couldn't be sheetrocking they couldn't be sheetrocking
Perfect	V-ing perfect
I couldn't have sheetrocked you couldn't have sheetrocked he couldn't have sheetrocked we couldn't have sheetrocked you couldn't have sheetrocked they couldn't have sheetrocked	I couldn't have been sheetrocking you couldn't have been sheetrocking he couldn't have been sheetrocking we couldn't have been sheetrocking you couldn't have been sheetrocking they couldn't have been sheetrocking

Interrogative form

Simple form	V-ing form
could I sheetrock? could you sheetrock? could he sheetrock? could we sheetrock? could you sheetrock? could they sheetrock?	could I be sheetrocking? could you be sheetrocking? could he be sheetrocking? could we be sheetrocking? could you be sheetrocking? could they be sheetrocking?
Perfect	V-ing perfect
could I have sheetrocked? could you have sheetrocked? could he have sheetrocked? could we have sheetrocked? could you have sheetrocked? could they have sheetrocked?	could I have been sheetrocking? could you have been sheetrocking? could he have been sheetrocking? could we have been sheetrocking? could you have been sheetrocking? could they have been sheetrocking?

Interro-negative form

Simple form	V-ing form
couldn't I sheetrock? couldn't you sheetrock? couldn't he sheetrock? couldn't we sheetrock? couldn't you sheetrock? couldn't they sheetrock?	couldn't I be sheetrocking? couldn't you be sheetrocking? couldn't he be sheetrocking? couldn't we be sheetrocking? couldn't you be sheetrocking? couldn't they be sheetrocking?
Perfect	V-ing perfect
couldn't I have sheetrocked? couldn't you have sheetrocked? couldn't he have sheetrocked? couldn't we have sheetrocked? couldn't you have sheetrocked? couldn't they have sheetrocked?	couldn't I have been sheetrocking? couldn't you have been sheetrocking? couldn't he have been sheetrocking? couldn't we have been sheetrocking? couldn't you have been sheetrocking? couldn't they have been sheetrocking?