English verb conjugation
CAN SECURE

Regular verb: secure - secured - secured

Affirmation

Simple form	V-ing form
I can secure you can secure he can secure we can secure you can secure they can secure	I can be securing you can be securing he can be securing we can be securing you can be securing they can be securing
Perfect	V-ing perfect
I can have secured you can have secured he can have secured we can have secured you can have secured they can have secured	I can have been securing you can have been securing he can have been securing we can have been securing you can have been securing they can have been securing

Negation

Simple form	V-ing form
I cannot secure you cannot secure he cannot secure we cannot secure you cannot secure they cannot secure	I cannot be securing you cannot be securing he cannot be securing we cannot be securing you cannot be securing they cannot be securing
Perfect	V-ing perfect
I cannot have secured you cannot have secured he cannot have secured we cannot have secured you cannot have secured they cannot have secured	I cannot have been securing you cannot have been securing he cannot have been securing we cannot have been securing you cannot have been securing they cannot have been securing

Interrogative form

Simple form	V-ing form
can I secure? can you secure? can he secure? can we secure? can you secure? can they secure?	can I be securing? can you be securing? can he be securing? can we be securing? can you be securing? can they be securing?
Perfect	V-ing perfect
can I have secured? can you have secured? can he have secured? can we have secured? can you have secured? can they have secured?	can I have been securing? can you have been securing? can he have been securing? can we have been securing? can you have been securing? can they have been securing?

Interro-negative form

Simple form	V-ing form
can I not secure? can you not secure? can he not secure? can we not secure? can you not secure? can they not secure?	can I not be securing? can you not be securing? can he not be securing? can we not be securing? can you not be securing? can they not be securing?
Perfect	V-ing perfect
can I not have secured? can you not have secured? can he not have secured? can we not have secured? can you not have secured? can they not have secured?	can I not have been securing? can you not have been securing? can he not have been securing? can we not have been securing? can you not have been securing? can they not have been securing?