ought to fork
Regular verb: fork - forked- forked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to fork
you ought to fork
he ought to fork
we ought to fork
you ought to fork
they ought to fork 	I ought to be forking
you ought to be forking
he ought to be forking
we ought to be forking
you ought to be forking
they ought to be forking	I ought to have forked
you ought to have forked
he ought to have forked
we ought to have forked
you ought to have forked
they ought to have forked	I ought to have been forking
you ought to have been forking
he ought to have been forking
we ought to have been forking
you ought to have been forking
they ought to have been forking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to fork
you ought not to fork
he ought not to fork
we ought not to fork
you ought not to fork
they ought not to fork 	I ought not to forking
you ought not to forking
he ought not to forking
we ought not to forking
you ought not to forking
they ought not to forking	I ought not to have forked
you ought not to have forked
he ought not to have forked
we ought not to have forked
you ought not to have forked
they ought not to have forked	I ought not to have been forking
you ought not to have been forking
he ought not to have been forking
we ought not to have been forking
you ought not to have been forking
they ought not to have been forking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I fork?
ought to you fork?
ought to he fork?
ought to we fork?
ought to you fork?
ought to they fork? 	ought to I be forking?
ought to you be forking?
ought to he be forking?
ought to we be forking?
ought to you be forking?
ought to they be forking? 	ought to I have forked?
ought to you have forked?
ought to he have forked?
ought to we have forked?
ought to you have forked?
ought to they have forked? 	ought to I have been forking?
ought to you have been forking?
ought to he have been forking?
ought to we have been forking?
ought to you have been forking?
ought to they have been forking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to fork?
ought you not to fork?
ought he not to fork?
ought we not to fork?
ought you not to fork?
ought they not to fork? 	ought I not to be forking?
ought you not to be forking?
ought he not to be forking?
ought we not to be forking?
ought you not to be forking?
ought they not to be forking? 	ought I not to have forked?
ought you not to have forked?
ought he not to have forked?
ought we not to have forked?
ought you not to have forked?
ought they not to have forked? 	ought I not to have been forking?
ought you not to have been forking?
ought he not to have been forking?
ought we not to have been forking?
ought you not to have been forking?
ought they not to have been forking?