should antedate
Verbo regular: antedate - antedated- antedated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should antedate
you should antedate
she should antedate
we should antedate
you should antedate
they should antedate 	I should be antedating
you should be antedating
she should be antedating
we should be antedating
you should be antedating
they should be antedating	I should have antedated
you should have antedated
she should have antedated
we should have antedated
you should have antedated
they should have antedated	I should have been antedating
you should have been antedating
she should have been antedating
we should have been antedating
you should have been antedating
they should have been antedating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not antedate
you should not antedate
she should not antedate
we should not antedate
you should not antedate
they should not antedate 	I should not be antedating
you should not be antedating
she should not be antedating
we should not be antedating
you should not be antedating
they should not be antedating	I should not have antedated
you should not have antedated
she should not have antedated
we should not have antedated
you should not have antedated
they should not have antedated	I should not have been antedating
you should not have been antedating
she should not have been antedating
we should not have been antedating
you should not have been antedating
they should not have been antedating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I antedate?
should you antedate?
should she antedate?
should we antedate?
should you antedate?
should they antedate? 	should I be antedating?
should you be antedating?
should she be antedating?
should we be antedating?
should you be antedating?
should they be antedating? 	should I have antedated?
should you have antedated?
should she have antedated?
should we have antedated?
should you have antedated?
should they have antedated? 	should I have been antedating?
should you have been antedating?
should she have been antedating?
should we have been antedating?
should you have been antedating?
should they have been antedating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not antedate?
should you not antedate?
should she not antedate?
should we not antedate?
should you not antedate?
should they not antedate? 	should I not be antedating?
should you not be antedating?
should she not be antedating?
should we not be antedating?
should you not be antedating?
should they not be antedating? 	should I not have antedated?
should you not have antedated?
should she not have antedated?
should we not have antedated?
should you not have antedated?
should they not have antedated? 	should I not have been antedating?
should you not have been antedating?
should she not have been antedating?
should we not have been antedating?
should you not have been antedating?
should they not have been antedating?