I should grasp you should grasp she should grasp we should grasp you should grasp they should grasp
V-ing form
I should be grasping you should be grasping she should be grasping we should be grasping you should be grasping they should be grasping
Perfect
I should have grasped you should have grasped she should have grasped we should have grasped you should have grasped they should have grasped
V-ing perfect
I should have been grasping you should have been grasping she should have been grasping we should have been grasping you should have been grasping they should have been grasping
Negation
Simple form
I should not grasp you should not grasp she should not grasp we should not grasp you should not grasp they should not grasp
V-ing form
I should not be grasping you should not be grasping she should not be grasping we should not be grasping you should not be grasping they should not be grasping
Perfect
I should not have grasped you should not have grasped she should not have grasped we should not have grasped you should not have grasped they should not have grasped
V-ing perfect
I should not have been grasping you should not have been grasping she should not have been grasping we should not have been grasping you should not have been grasping they should not have been grasping
Interrogative form
Simple form
should I grasp? should you grasp? should she grasp? should we grasp? should you grasp? should they grasp?
V-ing form
should I be grasping? should you be grasping? should she be grasping? should we be grasping? should you be grasping? should they be grasping?
Perfect
should I have grasped? should you have grasped? should she have grasped? should we have grasped? should you have grasped? should they have grasped?
V-ing perfect
should I have been grasping? should you have been grasping? should she have been grasping? should we have been grasping? should you have been grasping? should they have been grasping?
Interro-negative form
Simple form
should I not grasp? should you not grasp? should she not grasp? should we not grasp? should you not grasp? should they not grasp?
V-ing form
should I not be grasping? should you not be grasping? should she not be grasping? should we not be grasping? should you not be grasping? should they not be grasping?
Perfect
should I not have grasped? should you not have grasped? should she not have grasped? should we not have grasped? should you not have grasped? should they not have grasped?
V-ing perfect
should I not have been grasping? should you not have been grasping? should she not have been grasping? should we not have been grasping? should you not have been grasping? should they not have been grasping?