ought to fife
Regular verb: fife - fifed- fifed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to fife
you ought to fife
he ought to fife
we ought to fife
you ought to fife
they ought to fife 	I ought to be fifing
you ought to be fifing
he ought to be fifing
we ought to be fifing
you ought to be fifing
they ought to be fifing	I ought to have fifed
you ought to have fifed
he ought to have fifed
we ought to have fifed
you ought to have fifed
they ought to have fifed	I ought to have been fifing
you ought to have been fifing
he ought to have been fifing
we ought to have been fifing
you ought to have been fifing
they ought to have been fifing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to fife
you ought not to fife
he ought not to fife
we ought not to fife
you ought not to fife
they ought not to fife 	I ought not to fifing
you ought not to fifing
he ought not to fifing
we ought not to fifing
you ought not to fifing
they ought not to fifing	I ought not to have fifed
you ought not to have fifed
he ought not to have fifed
we ought not to have fifed
you ought not to have fifed
they ought not to have fifed	I ought not to have been fifing
you ought not to have been fifing
he ought not to have been fifing
we ought not to have been fifing
you ought not to have been fifing
they ought not to have been fifing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I fife?
ought to you fife?
ought to he fife?
ought to we fife?
ought to you fife?
ought to they fife? 	ought to I be fifing?
ought to you be fifing?
ought to he be fifing?
ought to we be fifing?
ought to you be fifing?
ought to they be fifing? 	ought to I have fifed?
ought to you have fifed?
ought to he have fifed?
ought to we have fifed?
ought to you have fifed?
ought to they have fifed? 	ought to I have been fifing?
ought to you have been fifing?
ought to he have been fifing?
ought to we have been fifing?
ought to you have been fifing?
ought to they have been fifing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to fife?
ought you not to fife?
ought he not to fife?
ought we not to fife?
ought you not to fife?
ought they not to fife? 	ought I not to be fifing?
ought you not to be fifing?
ought he not to be fifing?
ought we not to be fifing?
ought you not to be fifing?
ought they not to be fifing? 	ought I not to have fifed?
ought you not to have fifed?
ought he not to have fifed?
ought we not to have fifed?
ought you not to have fifed?
ought they not to have fifed? 	ought I not to have been fifing?
ought you not to have been fifing?
ought he not to have been fifing?
ought we not to have been fifing?
ought you not to have been fifing?
ought they not to have been fifing?