should deepen
Regular verb: deepen - deepened- deepened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should deepen
you should deepen
she should deepen
we should deepen
you should deepen
they should deepen 	I should be deepening
you should be deepening
she should be deepening
we should be deepening
you should be deepening
they should be deepening	I should have deepened
you should have deepened
she should have deepened
we should have deepened
you should have deepened
they should have deepened	I should have been deepening
you should have been deepening
she should have been deepening
we should have been deepening
you should have been deepening
they should have been deepening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not deepen
you should not deepen
she should not deepen
we should not deepen
you should not deepen
they should not deepen 	I should not be deepening
you should not be deepening
she should not be deepening
we should not be deepening
you should not be deepening
they should not be deepening	I should not have deepened
you should not have deepened
she should not have deepened
we should not have deepened
you should not have deepened
they should not have deepened	I should not have been deepening
you should not have been deepening
she should not have been deepening
we should not have been deepening
you should not have been deepening
they should not have been deepening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I deepen?
should you deepen?
should she deepen?
should we deepen?
should you deepen?
should they deepen? 	should I be deepening?
should you be deepening?
should she be deepening?
should we be deepening?
should you be deepening?
should they be deepening? 	should I have deepened?
should you have deepened?
should she have deepened?
should we have deepened?
should you have deepened?
should they have deepened? 	should I have been deepening?
should you have been deepening?
should she have been deepening?
should we have been deepening?
should you have been deepening?
should they have been deepening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not deepen?
should you not deepen?
should she not deepen?
should we not deepen?
should you not deepen?
should they not deepen? 	should I not be deepening?
should you not be deepening?
should she not be deepening?
should we not be deepening?
should you not be deepening?
should they not be deepening? 	should I not have deepened?
should you not have deepened?
should she not have deepened?
should we not have deepened?
should you not have deepened?
should they not have deepened? 	should I not have been deepening?
should you not have been deepening?
should she not have been deepening?
should we not have been deepening?
should you not have been deepening?
should they not have been deepening?