English verb conjugation
CAN DEEPEN

Regular verb: deepen - deepened - deepened

Affirmation

Simple form	V-ing form
I can deepen you can deepen he can deepen we can deepen you can deepen they can deepen	I can be deepening you can be deepening he can be deepening we can be deepening you can be deepening they can be deepening
Perfect	V-ing perfect
I can have deepened you can have deepened he can have deepened we can have deepened you can have deepened they can have deepened	I can have been deepening you can have been deepening he can have been deepening we can have been deepening you can have been deepening they can have been deepening

Negation

Simple form	V-ing form
I can't deepen you can't deepen he can't deepen we can't deepen you can't deepen they can't deepen	I can't be deepening you can't be deepening he can't be deepening we can't be deepening you can't be deepening they can't be deepening
Perfect	V-ing perfect
I can't have deepened you can't have deepened he can't have deepened we can't have deepened you can't have deepened they can't have deepened	I can't have been deepening you can't have been deepening he can't have been deepening we can't have been deepening you can't have been deepening they can't have been deepening

Interrogative form

Simple form	V-ing form
can I deepen? can you deepen? can he deepen? can we deepen? can you deepen? can they deepen?	can I be deepening? can you be deepening? can he be deepening? can we be deepening? can you be deepening? can they be deepening?
Perfect	V-ing perfect
can I have deepened? can you have deepened? can he have deepened? can we have deepened? can you have deepened? can they have deepened?	can I have been deepening? can you have been deepening? can he have been deepening? can we have been deepening? can you have been deepening? can they have been deepening?

Interro-negative form

Simple form	V-ing form
can't I deepen? can't you deepen? can't he deepen? can't we deepen? can't you deepen? can't they deepen?	can't I be deepening? can't you be deepening? can't he be deepening? can't we be deepening? can't you be deepening? can't they be deepening?
Perfect	V-ing perfect
can't I have deepened? can't you have deepened? can't he have deepened? can't we have deepened? can't you have deepened? can't they have deepened?	can't I have been deepening? can't you have been deepening? can't he have been deepening? can't we have been deepening? can't you have been deepening? can't they have been deepening?