I should congregate you should congregate he should congregate we should congregate you should congregate they should congregate
V-ing form
I should be congregating you should be congregating he should be congregating we should be congregating you should be congregating they should be congregating
Perfect
I should have congregated you should have congregated he should have congregated we should have congregated you should have congregated they should have congregated
V-ing perfect
I should have been congregating you should have been congregating he should have been congregating we should have been congregating you should have been congregating they should have been congregating
Negation
Simple form
I should not congregate you should not congregate he should not congregate we should not congregate you should not congregate they should not congregate
V-ing form
I should not be congregating you should not be congregating he should not be congregating we should not be congregating you should not be congregating they should not be congregating
Perfect
I should not have congregated you should not have congregated he should not have congregated we should not have congregated you should not have congregated they should not have congregated
V-ing perfect
I should not have been congregating you should not have been congregating he should not have been congregating we should not have been congregating you should not have been congregating they should not have been congregating
Interrogative form
Simple form
should I congregate? should you congregate? should he congregate? should we congregate? should you congregate? should they congregate?
V-ing form
should I be congregating? should you be congregating? should he be congregating? should we be congregating? should you be congregating? should they be congregating?
Perfect
should I have congregated? should you have congregated? should he have congregated? should we have congregated? should you have congregated? should they have congregated?
V-ing perfect
should I have been congregating? should you have been congregating? should he have been congregating? should we have been congregating? should you have been congregating? should they have been congregating?
Interro-negative form
Simple form
should I not congregate? should you not congregate? should he not congregate? should we not congregate? should you not congregate? should they not congregate?
V-ing form
should I not be congregating? should you not be congregating? should he not be congregating? should we not be congregating? should you not be congregating? should they not be congregating?
Perfect
should I not have congregated? should you not have congregated? should he not have congregated? should we not have congregated? should you not have congregated? should they not have congregated?
V-ing perfect
should I not have been congregating? should you not have been congregating? should he not have been congregating? should we not have been congregating? should you not have been congregating? should they not have been congregating?