English verb conjugation
CAN ENSURE

Regular verb: ensure - ensured - ensured

Affirmation

Simple form	V-ing form
I can ensure you can ensure she can ensure we can ensure you can ensure they can ensure	I can be ensuring you can be ensuring she can be ensuring we can be ensuring you can be ensuring they can be ensuring
Perfect	V-ing perfect
I can have ensured you can have ensured she can have ensured we can have ensured you can have ensured they can have ensured	I can have been ensuring you can have been ensuring she can have been ensuring we can have been ensuring you can have been ensuring they can have been ensuring

Negation

Simple form	V-ing form
I can't ensure you can't ensure she can't ensure we can't ensure you can't ensure they can't ensure	I can't be ensuring you can't be ensuring she can't be ensuring we can't be ensuring you can't be ensuring they can't be ensuring
Perfect	V-ing perfect
I can't have ensured you can't have ensured she can't have ensured we can't have ensured you can't have ensured they can't have ensured	I can't have been ensuring you can't have been ensuring she can't have been ensuring we can't have been ensuring you can't have been ensuring they can't have been ensuring

Interrogative form

Simple form	V-ing form
can I ensure? can you ensure? can she ensure? can we ensure? can you ensure? can they ensure?	can I be ensuring? can you be ensuring? can she be ensuring? can we be ensuring? can you be ensuring? can they be ensuring?
Perfect	V-ing perfect
can I have ensured? can you have ensured? can she have ensured? can we have ensured? can you have ensured? can they have ensured?	can I have been ensuring? can you have been ensuring? can she have been ensuring? can we have been ensuring? can you have been ensuring? can they have been ensuring?

Interro-negative form

Simple form	V-ing form
can't I ensure? can't you ensure? can't she ensure? can't we ensure? can't you ensure? can't they ensure?	can't I be ensuring? can't you be ensuring? can't she be ensuring? can't we be ensuring? can't you be ensuring? can't they be ensuring?
Perfect	V-ing perfect
can't I have ensured? can't you have ensured? can't she have ensured? can't we have ensured? can't you have ensured? can't they have ensured?	can't I have been ensuring? can't you have been ensuring? can't she have been ensuring? can't we have been ensuring? can't you have been ensuring? can't they have been ensuring?