English verb conjugation
CAN CURE

Regular verb: cure - cured - cured

Affirmation

Simple form	V-ing form
I can cure you can cure he can cure we can cure you can cure they can cure	I can be curing you can be curing he can be curing we can be curing you can be curing they can be curing
Perfect	V-ing perfect
I can have cured you can have cured he can have cured we can have cured you can have cured they can have cured	I can have been curing you can have been curing he can have been curing we can have been curing you can have been curing they can have been curing

Negation

Simple form	V-ing form
I can't cure you can't cure he can't cure we can't cure you can't cure they can't cure	I can't be curing you can't be curing he can't be curing we can't be curing you can't be curing they can't be curing
Perfect	V-ing perfect
I can't have cured you can't have cured he can't have cured we can't have cured you can't have cured they can't have cured	I can't have been curing you can't have been curing he can't have been curing we can't have been curing you can't have been curing they can't have been curing

Interrogative form

Simple form	V-ing form
can I cure? can you cure? can he cure? can we cure? can you cure? can they cure?	can I be curing? can you be curing? can he be curing? can we be curing? can you be curing? can they be curing?
Perfect	V-ing perfect
can I have cured? can you have cured? can he have cured? can we have cured? can you have cured? can they have cured?	can I have been curing? can you have been curing? can he have been curing? can we have been curing? can you have been curing? can they have been curing?

Interro-negative form

Simple form	V-ing form
can't I cure? can't you cure? can't he cure? can't we cure? can't you cure? can't they cure?	can't I be curing? can't you be curing? can't he be curing? can't we be curing? can't you be curing? can't they be curing?
Perfect	V-ing perfect
can't I have cured? can't you have cured? can't he have cured? can't we have cured? can't you have cured? can't they have cured?	can't I have been curing? can't you have been curing? can't he have been curing? can't we have been curing? can't you have been curing? can't they have been curing?