should assert
Regular verb: assert - asserted- asserted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should assert
you should assert
she should assert
we should assert
you should assert
they should assert 	I should be asserting
you should be asserting
she should be asserting
we should be asserting
you should be asserting
they should be asserting	I should have asserted
you should have asserted
she should have asserted
we should have asserted
you should have asserted
they should have asserted	I should have been asserting
you should have been asserting
she should have been asserting
we should have been asserting
you should have been asserting
they should have been asserting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not assert
you should not assert
she should not assert
we should not assert
you should not assert
they should not assert 	I should not be asserting
you should not be asserting
she should not be asserting
we should not be asserting
you should not be asserting
they should not be asserting	I should not have asserted
you should not have asserted
she should not have asserted
we should not have asserted
you should not have asserted
they should not have asserted	I should not have been asserting
you should not have been asserting
she should not have been asserting
we should not have been asserting
you should not have been asserting
they should not have been asserting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I assert?
should you assert?
should she assert?
should we assert?
should you assert?
should they assert? 	should I be asserting?
should you be asserting?
should she be asserting?
should we be asserting?
should you be asserting?
should they be asserting? 	should I have asserted?
should you have asserted?
should she have asserted?
should we have asserted?
should you have asserted?
should they have asserted? 	should I have been asserting?
should you have been asserting?
should she have been asserting?
should we have been asserting?
should you have been asserting?
should they have been asserting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not assert?
should you not assert?
should she not assert?
should we not assert?
should you not assert?
should they not assert? 	should I not be asserting?
should you not be asserting?
should she not be asserting?
should we not be asserting?
should you not be asserting?
should they not be asserting? 	should I not have asserted?
should you not have asserted?
should she not have asserted?
should we not have asserted?
should you not have asserted?
should they not have asserted? 	should I not have been asserting?
should you not have been asserting?
should she not have been asserting?
should we not have been asserting?
should you not have been asserting?
should they not have been asserting?