should square
Regular verb: square - squared- squared

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd square
you'd square
she'd square
we'd square
you'd square
they'd square 	I'd be squaring
you'd be squaring
she'd be squaring
we'd be squaring
you'd be squaring
they'd be squaring	I should've squared
you should've squared
she should've squared
we should've squared
you should've squared
they should've squared	I should've been squaring
you should've been squaring
she should've been squaring
we should've been squaring
you should've been squaring
they should've been squaring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't square
you shouldn't square
she shouldn't square
we shouldn't square
you shouldn't square
they shouldn't square 	I shouldn't be squaring
you shouldn't be squaring
she shouldn't be squaring
we shouldn't be squaring
you shouldn't be squaring
they shouldn't be squaring	I shouldn't have squared
you shouldn't have squared
she shouldn't have squared
we shouldn't have squared
you shouldn't have squared
they shouldn't have squared	I shouldn't have been squaring
you shouldn't have been squaring
she shouldn't have been squaring
we shouldn't have been squaring
you shouldn't have been squaring
they shouldn't have been squaring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I square?
should you square?
should she square?
should we square?
should you square?
should they square? 	should I be squaring?
should you be squaring?
should she be squaring?
should we be squaring?
should you be squaring?
should they be squaring? 	should I have squared?
should you have squared?
should she have squared?
should we have squared?
should you have squared?
should they have squared? 	should I have been squaring?
should you have been squaring?
should she have been squaring?
should we have been squaring?
should you have been squaring?
should they have been squaring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I square?
shouldn't you square?
shouldn't she square?
shouldn't we square?
shouldn't you square?
shouldn't they square? 	shouldn't I be squaring?
shouldn't you be squaring?
shouldn't she be squaring?
shouldn't we be squaring?
shouldn't you be squaring?
shouldn't they be squaring? 	shouldn't I have squared?
shouldn't you have squared?
shouldn't she have squared?
shouldn't we have squared?
shouldn't you have squared?
shouldn't they have squared? 	shouldn't I have been squaring?
shouldn't you have been squaring?
shouldn't she have been squaring?
shouldn't we have been squaring?
shouldn't you have been squaring?
shouldn't they have been squaring?