English verb conjugation
CAN ENSURE

Regular verb: ensure - ensured - ensured

Affirmation

Simple form	V-ing form
I can ensure you can ensure he can ensure we can ensure you can ensure they can ensure	I can be ensuring you can be ensuring he 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 he 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 he 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 he 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 he 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 he 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 he 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 he ensure? can we ensure? can you ensure? can they ensure?	can I be ensuring? can you be ensuring? can he 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 he 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 he 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 he 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 he 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 he 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 he have been ensuring? can't we have been ensuring? can't you have been ensuring? can't they have been ensuring?