English verb conjugation
CAN GRASP

Regular verb: grasp - grasped - grasped

Affirmation

Simple form	V-ing form
I can grasp you can grasp she can grasp we can grasp you can grasp they can grasp	I can be grasping you can be grasping she can be grasping we can be grasping you can be grasping they can be grasping
Perfect	V-ing perfect
I can have grasped you can have grasped she can have grasped we can have grasped you can have grasped they can have grasped	I can have been grasping you can have been grasping she can have been grasping we can have been grasping you can have been grasping they can have been grasping

Negation

Simple form	V-ing form
I cannot grasp you cannot grasp she cannot grasp we cannot grasp you cannot grasp they cannot grasp	I cannot be grasping you cannot be grasping she cannot be grasping we cannot be grasping you cannot be grasping they cannot be grasping
Perfect	V-ing perfect
I cannot have grasped you cannot have grasped she cannot have grasped we cannot have grasped you cannot have grasped they cannot have grasped	I cannot have been grasping you cannot have been grasping she cannot have been grasping we cannot have been grasping you cannot have been grasping they cannot have been grasping

Interrogative form

Simple form	V-ing form
can I grasp? can you grasp? can she grasp? can we grasp? can you grasp? can they grasp?	can I be grasping? can you be grasping? can she be grasping? can we be grasping? can you be grasping? can they be grasping?
Perfect	V-ing perfect
can I have grasped? can you have grasped? can she have grasped? can we have grasped? can you have grasped? can they have grasped?	can I have been grasping? can you have been grasping? can she have been grasping? can we have been grasping? can you have been grasping? can they have been grasping?

Interro-negative form

Simple form	V-ing form
can I not grasp? can you not grasp? can she not grasp? can we not grasp? can you not grasp? can they not grasp?	can I not be grasping? can you not be grasping? can she not be grasping? can we not be grasping? can you not be grasping? can they not be grasping?
Perfect	V-ing perfect
can I not have grasped? can you not have grasped? can she not have grasped? can we not have grasped? can you not have grasped? can they not have grasped?	can I not have been grasping? can you not have been grasping? can she not have been grasping? can we not have been grasping? can you not have been grasping? can they not have been grasping?