I should water you should water he should water we should water you should water they should water
V-ing form
I should be watering you should be watering he should be watering we should be watering you should be watering they should be watering
Perfect
I should have watered you should have watered he should have watered we should have watered you should have watered they should have watered
V-ing perfect
I should have been watering you should have been watering he should have been watering we should have been watering you should have been watering they should have been watering
Negation
Simple form
I should not water you should not water he should not water we should not water you should not water they should not water
V-ing form
I should not be watering you should not be watering he should not be watering we should not be watering you should not be watering they should not be watering
Perfect
I should not have watered you should not have watered he should not have watered we should not have watered you should not have watered they should not have watered
V-ing perfect
I should not have been watering you should not have been watering he should not have been watering we should not have been watering you should not have been watering they should not have been watering
Interrogative form
Simple form
should I water? should you water? should he water? should we water? should you water? should they water?
V-ing form
should I be watering? should you be watering? should he be watering? should we be watering? should you be watering? should they be watering?
Perfect
should I have watered? should you have watered? should he have watered? should we have watered? should you have watered? should they have watered?
V-ing perfect
should I have been watering? should you have been watering? should he have been watering? should we have been watering? should you have been watering? should they have been watering?
Interro-negative form
Simple form
should I not water? should you not water? should he not water? should we not water? should you not water? should they not water?
V-ing form
should I not be watering? should you not be watering? should he not be watering? should we not be watering? should you not be watering? should they not be watering?
Perfect
should I not have watered? should you not have watered? should he not have watered? should we not have watered? should you not have watered? should they not have watered?
V-ing perfect
should I not have been watering? should you not have been watering? should he not have been watering? should we not have been watering? should you not have been watering? should they not have been watering?