English verb conjugation
SHOULD PLOUGH

Regular verb: plough - ploughed - ploughed

Affirmation

Simple form	V-ing form
I should plough you should plough she should plough we should plough you should plough they should plough	I should be ploughing you should be ploughing she should be ploughing we should be ploughing you should be ploughing they should be ploughing
Perfect	V-ing perfect
I should have ploughed you should have ploughed she should have ploughed we should have ploughed you should have ploughed they should have ploughed	I should have been ploughing you should have been ploughing she should have been ploughing we should have been ploughing you should have been ploughing they should have been ploughing

Negation

Simple form	V-ing form
I should not plough you should not plough she should not plough we should not plough you should not plough they should not plough	I should not be ploughing you should not be ploughing she should not be ploughing we should not be ploughing you should not be ploughing they should not be ploughing
Perfect	V-ing perfect
I should not have ploughed you should not have ploughed she should not have ploughed we should not have ploughed you should not have ploughed they should not have ploughed	I should not have been ploughing you should not have been ploughing she should not have been ploughing we should not have been ploughing you should not have been ploughing they should not have been ploughing

Interrogative form

Simple form	V-ing form
should I plough? should you plough? should she plough? should we plough? should you plough? should they plough?	should I be ploughing? should you be ploughing? should she be ploughing? should we be ploughing? should you be ploughing? should they be ploughing?
Perfect	V-ing perfect
should I have ploughed? should you have ploughed? should she have ploughed? should we have ploughed? should you have ploughed? should they have ploughed?	should I have been ploughing? should you have been ploughing? should she have been ploughing? should we have been ploughing? should you have been ploughing? should they have been ploughing?

Interro-negative form

Simple form	V-ing form
should I not plough? should you not plough? should she not plough? should we not plough? should you not plough? should they not plough?	should I not be ploughing? should you not be ploughing? should she not be ploughing? should we not be ploughing? should you not be ploughing? should they not be ploughing?
Perfect	V-ing perfect
should I not have ploughed? should you not have ploughed? should she not have ploughed? should we not have ploughed? should you not have ploughed? should they not have ploughed?	should I not have been ploughing? should you not have been ploughing? should she not have been ploughing? should we not have been ploughing? should you not have been ploughing? should they not have been ploughing?