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
he should purchase
we should purchase
you should purchase
they should purchase 	I should be purchasing
you should be purchasing
he should be purchasing
we should be purchasing
you should be purchasing
they should be purchasing	I should have purchased
you should have purchased
he 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
he 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
he 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
he 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
he 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
he 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 he purchase?
should we purchase?
should you purchase?
should they purchase? 	should I be purchasing?
should you be purchasing?
should he be purchasing?
should we be purchasing?
should you be purchasing?
should they be purchasing? 	should I have purchased?
should you have purchased?
should he 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 he 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 he 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 he 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 he 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 he not have been purchasing?
should we not have been purchasing?
should you not have been purchasing?
should they not have been purchasing?