should masturbate
Regular verb: masturbate - masturbated- masturbated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should masturbate
you should masturbate
he should masturbate
we should masturbate
you should masturbate
they should masturbate 	I should be masturbating
you should be masturbating
he should be masturbating
we should be masturbating
you should be masturbating
they should be masturbating	I should have masturbated
you should have masturbated
he should have masturbated
we should have masturbated
you should have masturbated
they should have masturbated	I should have been masturbating
you should have been masturbating
he should have been masturbating
we should have been masturbating
you should have been masturbating
they should have been masturbating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not masturbate
you should not masturbate
he should not masturbate
we should not masturbate
you should not masturbate
they should not masturbate 	I should not be masturbating
you should not be masturbating
he should not be masturbating
we should not be masturbating
you should not be masturbating
they should not be masturbating	I should not have masturbated
you should not have masturbated
he should not have masturbated
we should not have masturbated
you should not have masturbated
they should not have masturbated	I should not have been masturbating
you should not have been masturbating
he should not have been masturbating
we should not have been masturbating
you should not have been masturbating
they should not have been masturbating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I masturbate?
should you masturbate?
should he masturbate?
should we masturbate?
should you masturbate?
should they masturbate? 	should I be masturbating?
should you be masturbating?
should he be masturbating?
should we be masturbating?
should you be masturbating?
should they be masturbating? 	should I have masturbated?
should you have masturbated?
should he have masturbated?
should we have masturbated?
should you have masturbated?
should they have masturbated? 	should I have been masturbating?
should you have been masturbating?
should he have been masturbating?
should we have been masturbating?
should you have been masturbating?
should they have been masturbating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not masturbate?
should you not masturbate?
should he not masturbate?
should we not masturbate?
should you not masturbate?
should they not masturbate? 	should I not be masturbating?
should you not be masturbating?
should he not be masturbating?
should we not be masturbating?
should you not be masturbating?
should they not be masturbating? 	should I not have masturbated?
should you not have masturbated?
should he not have masturbated?
should we not have masturbated?
should you not have masturbated?
should they not have masturbated? 	should I not have been masturbating?
should you not have been masturbating?
should he not have been masturbating?
should we not have been masturbating?
should you not have been masturbating?
should they not have been masturbating?