should twit
Regular verb: twit - twitted- twitted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should twit
you should twit
she should twit
we should twit
you should twit
they should twit 	I should be twitting
you should be twitting
she should be twitting
we should be twitting
you should be twitting
they should be twitting	I should have twitted
you should have twitted
she should have twitted
we should have twitted
you should have twitted
they should have twitted	I should have been twitting
you should have been twitting
she should have been twitting
we should have been twitting
you should have been twitting
they should have been twitting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not twit
you should not twit
she should not twit
we should not twit
you should not twit
they should not twit 	I should not be twitting
you should not be twitting
she should not be twitting
we should not be twitting
you should not be twitting
they should not be twitting	I should not have twitted
you should not have twitted
she should not have twitted
we should not have twitted
you should not have twitted
they should not have twitted	I should not have been twitting
you should not have been twitting
she should not have been twitting
we should not have been twitting
you should not have been twitting
they should not have been twitting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I twit?
should you twit?
should she twit?
should we twit?
should you twit?
should they twit? 	should I be twitting?
should you be twitting?
should she be twitting?
should we be twitting?
should you be twitting?
should they be twitting? 	should I have twitted?
should you have twitted?
should she have twitted?
should we have twitted?
should you have twitted?
should they have twitted? 	should I have been twitting?
should you have been twitting?
should she have been twitting?
should we have been twitting?
should you have been twitting?
should they have been twitting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not twit?
should you not twit?
should she not twit?
should we not twit?
should you not twit?
should they not twit? 	should I not be twitting?
should you not be twitting?
should she not be twitting?
should we not be twitting?
should you not be twitting?
should they not be twitting? 	should I not have twitted?
should you not have twitted?
should she not have twitted?
should we not have twitted?
should you not have twitted?
should they not have twitted? 	should I not have been twitting?
should you not have been twitting?
should she not have been twitting?
should we not have been twitting?
should you not have been twitting?
should they not have been twitting?