English verb conjugation
SHOULD COUNTER

Regular verb: counter - countered - countered

Affirmation

Simple form	V-ing form
I should counter you should counter she should counter we should counter you should counter they should counter	I should be countering you should be countering she should be countering we should be countering you should be countering they should be countering
Perfect	V-ing perfect
I should have countered you should have countered she should have countered we should have countered you should have countered they should have countered	I should have been countering you should have been countering she should have been countering we should have been countering you should have been countering they should have been countering

Negation

Simple form	V-ing form
I should not counter you should not counter she should not counter we should not counter you should not counter they should not counter	I should not be countering you should not be countering she should not be countering we should not be countering you should not be countering they should not be countering
Perfect	V-ing perfect
I should not have countered you should not have countered she should not have countered we should not have countered you should not have countered they should not have countered	I should not have been countering you should not have been countering she should not have been countering we should not have been countering you should not have been countering they should not have been countering

Interrogative form

Simple form	V-ing form
should I counter? should you counter? should she counter? should we counter? should you counter? should they counter?	should I be countering? should you be countering? should she be countering? should we be countering? should you be countering? should they be countering?
Perfect	V-ing perfect
should I have countered? should you have countered? should she have countered? should we have countered? should you have countered? should they have countered?	should I have been countering? should you have been countering? should she have been countering? should we have been countering? should you have been countering? should they have been countering?

Interro-negative form

Simple form	V-ing form
should I not counter? should you not counter? should she not counter? should we not counter? should you not counter? should they not counter?	should I not be countering? should you not be countering? should she not be countering? should we not be countering? should you not be countering? should they not be countering?
Perfect	V-ing perfect
should I not have countered? should you not have countered? should she not have countered? should we not have countered? should you not have countered? should they not have countered?	should I not have been countering? should you not have been countering? should she not have been countering? should we not have been countering? should you not have been countering? should they not have been countering?