English verb conjugation
SHOULD ROLLER-SKATE

Regular verb: roller-skate - roller-skated - roller-skated

Affirmation

Simple form	V-ing form
I should roller-skate you should roller-skate he should roller-skate we should roller-skate you should roller-skate they should roller-skate	I should be roller-skating you should be roller-skating he should be roller-skating we should be roller-skating you should be roller-skating they should be roller-skating
Perfect	V-ing perfect
I should have roller-skated you should have roller-skated he should have roller-skated we should have roller-skated you should have roller-skated they should have roller-skated	I should have been roller-skating you should have been roller-skating he should have been roller-skating we should have been roller-skating you should have been roller-skating they should have been roller-skating

Negation

Simple form	V-ing form
I should not roller-skate you should not roller-skate he should not roller-skate we should not roller-skate you should not roller-skate they should not roller-skate	I should not be roller-skating you should not be roller-skating he should not be roller-skating we should not be roller-skating you should not be roller-skating they should not be roller-skating
Perfect	V-ing perfect
I should not have roller-skated you should not have roller-skated he should not have roller-skated we should not have roller-skated you should not have roller-skated they should not have roller-skated	I should not have been roller-skating you should not have been roller-skating he should not have been roller-skating we should not have been roller-skating you should not have been roller-skating they should not have been roller-skating

Interrogative form

Simple form	V-ing form
should I roller-skate? should you roller-skate? should he roller-skate? should we roller-skate? should you roller-skate? should they roller-skate?	should I be roller-skating? should you be roller-skating? should he be roller-skating? should we be roller-skating? should you be roller-skating? should they be roller-skating?
Perfect	V-ing perfect
should I have roller-skated? should you have roller-skated? should he have roller-skated? should we have roller-skated? should you have roller-skated? should they have roller-skated?	should I have been roller-skating? should you have been roller-skating? should he have been roller-skating? should we have been roller-skating? should you have been roller-skating? should they have been roller-skating?

Interro-negative form

Simple form	V-ing form
should I not roller-skate? should you not roller-skate? should he not roller-skate? should we not roller-skate? should you not roller-skate? should they not roller-skate?	should I not be roller-skating? should you not be roller-skating? should he not be roller-skating? should we not be roller-skating? should you not be roller-skating? should they not be roller-skating?
Perfect	V-ing perfect
should I not have roller-skated? should you not have roller-skated? should he not have roller-skated? should we not have roller-skated? should you not have roller-skated? should they not have roller-skated?	should I not have been roller-skating? should you not have been roller-skating? should he not have been roller-skating? should we not have been roller-skating? should you not have been roller-skating? should they not have been roller-skating?