should purchase
Verbe régulier : purchase - purchased- purchased
Traduction française : acheter 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I should purchase
you should purchase
she should purchase
we should purchase
you should purchase
they should purchase 	I should be purchasing
you should be purchasing
she should be purchasing
we should be purchasing
you should be purchasing
they should be purchasing	I should have purchased
you should have purchased
she should have purchased
we should have purchased
you should have purchased
they should have purchased	I should have been purchasing
you should have been purchasing
she should have been purchasing
we should have been purchasing
you should have been purchasing
they should have been purchasing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I should not purchase
you should not purchase
she should not purchase
we should not purchase
you should not purchase
they should not purchase 	I should not be purchasing
you should not be purchasing
she should not be purchasing
we should not be purchasing
you should not be purchasing
they should not be purchasing	I should not have purchased
you should not have purchased
she should not have purchased
we should not have purchased
you should not have purchased
they should not have purchased	I should not have been purchasing
you should not have been purchasing
she should not have been purchasing
we should not have been purchasing
you should not have been purchasing
they should not have been purchasing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I purchase?
should you purchase?
should she purchase?
should we purchase?
should you purchase?
should they purchase? 	should I be purchasing?
should you be purchasing?
should she be purchasing?
should we be purchasing?
should you be purchasing?
should they be purchasing? 	should I have purchased?
should you have purchased?
should she have purchased?
should we have purchased?
should you have purchased?
should they have purchased? 	should I have been purchasing?
should you have been purchasing?
should she have been purchasing?
should we have been purchasing?
should you have been purchasing?
should they have been purchasing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I not purchase?
should you not purchase?
should she not purchase?
should we not purchase?
should you not purchase?
should they not purchase? 	should I not be purchasing?
should you not be purchasing?
should she not be purchasing?
should we not be purchasing?
should you not be purchasing?
should they not be purchasing? 	should I not have purchased?
should you not have purchased?
should she not have purchased?
should we not have purchased?
should you not have purchased?
should they not have purchased? 	should I not have been purchasing?
should you not have been purchasing?
should she not have been purchasing?
should we not have been purchasing?
should you not have been purchasing?
should they not have been purchasing?