should fife
Verbe régulier : fife - fifed- fifed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I should fife
you should fife
she should fife
we should fife
you should fife
they should fife 	I should be fifing
you should be fifing
she should be fifing
we should be fifing
you should be fifing
they should be fifing	I should have fifed
you should have fifed
she should have fifed
we should have fifed
you should have fifed
they should have fifed	I should have been fifing
you should have been fifing
she should have been fifing
we should have been fifing
you should have been fifing
they should have been fifing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I should not fife
you should not fife
she should not fife
we should not fife
you should not fife
they should not fife 	I should not be fifing
you should not be fifing
she should not be fifing
we should not be fifing
you should not be fifing
they should not be fifing	I should not have fifed
you should not have fifed
she should not have fifed
we should not have fifed
you should not have fifed
they should not have fifed	I should not have been fifing
you should not have been fifing
she should not have been fifing
we should not have been fifing
you should not have been fifing
they should not have been fifing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I fife?
should you fife?
should she fife?
should we fife?
should you fife?
should they fife? 	should I be fifing?
should you be fifing?
should she be fifing?
should we be fifing?
should you be fifing?
should they be fifing? 	should I have fifed?
should you have fifed?
should she have fifed?
should we have fifed?
should you have fifed?
should they have fifed? 	should I have been fifing?
should you have been fifing?
should she have been fifing?
should we have been fifing?
should you have been fifing?
should they have been fifing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I not fife?
should you not fife?
should she not fife?
should we not fife?
should you not fife?
should they not fife? 	should I not be fifing?
should you not be fifing?
should she not be fifing?
should we not be fifing?
should you not be fifing?
should they not be fifing? 	should I not have fifed?
should you not have fifed?
should she not have fifed?
should we not have fifed?
should you not have fifed?
should they not have fifed? 	should I not have been fifing?
should you not have been fifing?
should she not have been fifing?
should we not have been fifing?
should you not have been fifing?
should they not have been fifing?