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 cannot deepen you cannot deepen he cannot deepen we cannot deepen you cannot deepen they cannot deepen	I cannot be deepening you cannot be deepening he cannot be deepening we cannot be deepening you cannot be deepening they cannot be deepening
Perfect	V-ing perfect
I cannot have deepened you cannot have deepened he cannot have deepened we cannot have deepened you cannot have deepened they cannot have deepened	I cannot have been deepening you cannot have been deepening he cannot have been deepening we cannot have been deepening you cannot have been deepening they cannot 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 I not deepen? can you not deepen? can he not deepen? can we not deepen? can you not deepen? can they not deepen?	can I not be deepening? can you not be deepening? can he not be deepening? can we not be deepening? can you not be deepening? can they not be deepening?
Perfect	V-ing perfect
can I not have deepened? can you not have deepened? can he not have deepened? can we not have deepened? can you not have deepened? can they not have deepened?	can I not have been deepening? can you not have been deepening? can he not have been deepening? can we not have been deepening? can you not have been deepening? can they not have been deepening?