English verb conjugation
COULD SCOTCH

Regular verb: scotch - scotched - scotched

Affirmation

Simple form	V-ing form
I could scotch you could scotch he could scotch we could scotch you could scotch they could scotch	I could be scotching you could be scotching he could be scotching we could be scotching you could be scotching they could be scotching
Perfect	V-ing perfect
I could have scotched you could have scotched he could have scotched we could have scotched you could have scotched they could have scotched	I could have been scotching you could have been scotching he could have been scotching we could have been scotching you could have been scotching they could have been scotching

Negation

Simple form	V-ing form
I couldn't scotch you couldn't scotch he couldn't scotch we couldn't scotch you couldn't scotch they couldn't scotch	I couldn't be scotching you couldn't be scotching he couldn't be scotching we couldn't be scotching you couldn't be scotching they couldn't be scotching
Perfect	V-ing perfect
I couldn't have scotched you couldn't have scotched he couldn't have scotched we couldn't have scotched you couldn't have scotched they couldn't have scotched	I couldn't have been scotching you couldn't have been scotching he couldn't have been scotching we couldn't have been scotching you couldn't have been scotching they couldn't have been scotching

Interrogative form

Simple form	V-ing form
could I scotch? could you scotch? could he scotch? could we scotch? could you scotch? could they scotch?	could I be scotching? could you be scotching? could he be scotching? could we be scotching? could you be scotching? could they be scotching?
Perfect	V-ing perfect
could I have scotched? could you have scotched? could he have scotched? could we have scotched? could you have scotched? could they have scotched?	could I have been scotching? could you have been scotching? could he have been scotching? could we have been scotching? could you have been scotching? could they have been scotching?

Interro-negative form

Simple form	V-ing form
couldn't I scotch? couldn't you scotch? couldn't he scotch? couldn't we scotch? couldn't you scotch? couldn't they scotch?	couldn't I be scotching? couldn't you be scotching? couldn't he be scotching? couldn't we be scotching? couldn't you be scotching? couldn't they be scotching?
Perfect	V-ing perfect
couldn't I have scotched? couldn't you have scotched? couldn't he have scotched? couldn't we have scotched? couldn't you have scotched? couldn't they have scotched?	couldn't I have been scotching? couldn't you have been scotching? couldn't he have been scotching? couldn't we have been scotching? couldn't you have been scotching? couldn't they have been scotching?