should invert
Regular verb: invert - inverted- inverted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should invert
you should invert
she should invert
we should invert
you should invert
they should invert 	I should be inverting
you should be inverting
she should be inverting
we should be inverting
you should be inverting
they should be inverting	I should have inverted
you should have inverted
she should have inverted
we should have inverted
you should have inverted
they should have inverted	I should have been inverting
you should have been inverting
she should have been inverting
we should have been inverting
you should have been inverting
they should have been inverting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not invert
you should not invert
she should not invert
we should not invert
you should not invert
they should not invert 	I should not be inverting
you should not be inverting
she should not be inverting
we should not be inverting
you should not be inverting
they should not be inverting	I should not have inverted
you should not have inverted
she should not have inverted
we should not have inverted
you should not have inverted
they should not have inverted	I should not have been inverting
you should not have been inverting
she should not have been inverting
we should not have been inverting
you should not have been inverting
they should not have been inverting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I invert?
should you invert?
should she invert?
should we invert?
should you invert?
should they invert? 	should I be inverting?
should you be inverting?
should she be inverting?
should we be inverting?
should you be inverting?
should they be inverting? 	should I have inverted?
should you have inverted?
should she have inverted?
should we have inverted?
should you have inverted?
should they have inverted? 	should I have been inverting?
should you have been inverting?
should she have been inverting?
should we have been inverting?
should you have been inverting?
should they have been inverting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not invert?
should you not invert?
should she not invert?
should we not invert?
should you not invert?
should they not invert? 	should I not be inverting?
should you not be inverting?
should she not be inverting?
should we not be inverting?
should you not be inverting?
should they not be inverting? 	should I not have inverted?
should you not have inverted?
should she not have inverted?
should we not have inverted?
should you not have inverted?
should they not have inverted? 	should I not have been inverting?
should you not have been inverting?
should she not have been inverting?
should we not have been inverting?
should you not have been inverting?
should they not have been inverting?