should heighten
Verbo regular: heighten - heightened- heightened

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should heighten
you should heighten
she should heighten
we should heighten
you should heighten
they should heighten 	I should be heightening
you should be heightening
she should be heightening
we should be heightening
you should be heightening
they should be heightening	I should have heightened
you should have heightened
she should have heightened
we should have heightened
you should have heightened
they should have heightened	I should have been heightening
you should have been heightening
she should have been heightening
we should have been heightening
you should have been heightening
they should have been heightening	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not heighten
you should not heighten
she should not heighten
we should not heighten
you should not heighten
they should not heighten 	I should not be heightening
you should not be heightening
she should not be heightening
we should not be heightening
you should not be heightening
they should not be heightening	I should not have heightened
you should not have heightened
she should not have heightened
we should not have heightened
you should not have heightened
they should not have heightened	I should not have been heightening
you should not have been heightening
she should not have been heightening
we should not have been heightening
you should not have been heightening
they should not have been heightening	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I heighten?
should you heighten?
should she heighten?
should we heighten?
should you heighten?
should they heighten? 	should I be heightening?
should you be heightening?
should she be heightening?
should we be heightening?
should you be heightening?
should they be heightening? 	should I have heightened?
should you have heightened?
should she have heightened?
should we have heightened?
should you have heightened?
should they have heightened? 	should I have been heightening?
should you have been heightening?
should she have been heightening?
should we have been heightening?
should you have been heightening?
should they have been heightening? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not heighten?
should you not heighten?
should she not heighten?
should we not heighten?
should you not heighten?
should they not heighten? 	should I not be heightening?
should you not be heightening?
should she not be heightening?
should we not be heightening?
should you not be heightening?
should they not be heightening? 	should I not have heightened?
should you not have heightened?
should she not have heightened?
should we not have heightened?
should you not have heightened?
should they not have heightened? 	should I not have been heightening?
should you not have been heightening?
should she not have been heightening?
should we not have been heightening?
should you not have been heightening?
should they not have been heightening?