should test
Regular verb: test - tested- tested

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd test
you'd test
she'd test
we'd test
you'd test
they'd test 	I'd be testing
you'd be testing
she'd be testing
we'd be testing
you'd be testing
they'd be testing	I should've tested
you should've tested
she should've tested
we should've tested
you should've tested
they should've tested	I should've been testing
you should've been testing
she should've been testing
we should've been testing
you should've been testing
they should've been testing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't test
you shouldn't test
she shouldn't test
we shouldn't test
you shouldn't test
they shouldn't test 	I shouldn't be testing
you shouldn't be testing
she shouldn't be testing
we shouldn't be testing
you shouldn't be testing
they shouldn't be testing	I shouldn't have tested
you shouldn't have tested
she shouldn't have tested
we shouldn't have tested
you shouldn't have tested
they shouldn't have tested	I shouldn't have been testing
you shouldn't have been testing
she shouldn't have been testing
we shouldn't have been testing
you shouldn't have been testing
they shouldn't have been testing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I test?
should you test?
should she test?
should we test?
should you test?
should they test? 	should I be testing?
should you be testing?
should she be testing?
should we be testing?
should you be testing?
should they be testing? 	should I have tested?
should you have tested?
should she have tested?
should we have tested?
should you have tested?
should they have tested? 	should I have been testing?
should you have been testing?
should she have been testing?
should we have been testing?
should you have been testing?
should they have been testing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I test?
shouldn't you test?
shouldn't she test?
shouldn't we test?
shouldn't you test?
shouldn't they test? 	shouldn't I be testing?
shouldn't you be testing?
shouldn't she be testing?
shouldn't we be testing?
shouldn't you be testing?
shouldn't they be testing? 	shouldn't I have tested?
shouldn't you have tested?
shouldn't she have tested?
shouldn't we have tested?
shouldn't you have tested?
shouldn't they have tested? 	shouldn't I have been testing?
shouldn't you have been testing?
shouldn't she have been testing?
shouldn't we have been testing?
shouldn't you have been testing?
shouldn't they have been testing?