ought to compress
Regular verb: compress - compressed- compressed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to compress
you ought to compress
he ought to compress
we ought to compress
you ought to compress
they ought to compress 	I ought to be compressing
you ought to be compressing
he ought to be compressing
we ought to be compressing
you ought to be compressing
they ought to be compressing	I ought to have compressed
you ought to have compressed
he ought to have compressed
we ought to have compressed
you ought to have compressed
they ought to have compressed	I ought to have been compressing
you ought to have been compressing
he ought to have been compressing
we ought to have been compressing
you ought to have been compressing
they ought to have been compressing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to compress
you oughtn't to compress
he oughtn't to compress
we oughtn't to compress
you oughtn't to compress
they oughtn't to compress 	I oughtn't to be compressing
you oughtn't to be compressing
he oughtn't to be compressing
we oughtn't to be compressing
you oughtn't to be compressing
they oughtn't to be compressing	I oughtn't to have compressed
you oughtn't to have compressed
he oughtn't to have compressed
we oughtn't to have compressed
you oughtn't to have compressed
they oughtn't to have compressed	I oughtn't to have been compressing
you oughtn't to have been compressing
he oughtn't to have been compressing
we oughtn't to have been compressing
you oughtn't to have been compressing
they oughtn't to have been compressing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I compress?
ought to you compress?
ought to he compress?
ought to we compress?
ought to you compress?
ought to they compress? 	ought to I be compressing?
ought to you be compressing?
ought to he be compressing?
ought to we be compressing?
ought to you be compressing?
ought to they be compressing? 	ought to I have compressed?
ought to you have compressed?
ought to he have compressed?
ought to we have compressed?
ought to you have compressed?
ought to they have compressed? 	ought to I have been compressing?
ought to you have been compressing?
ought to he have been compressing?
ought to we have been compressing?
ought to you have been compressing?
ought to they have been compressing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to compress?
oughtn't you to compress?
oughtn't he to compress?
oughtn't we to compress?
oughtn't you to compress?
oughtn't they to compress? 	oughtn't I to be compressing?
oughtn't you to be compressing?
oughtn't he to be compressing?
oughtn't we to be compressing?
oughtn't you to be compressing?
oughtn't they to be compressing? 	oughtn't I to have compressed?
oughtn't you to have compressed?
oughtn't he to have compressed?
oughtn't we to have compressed?
oughtn't you to have compressed?
oughtn't they to have compressed? 	oughtn't I to have been compressing?
oughtn't you to have been compressing?
oughtn't he to have been compressing?
oughtn't we to have been compressing?
oughtn't you to have been compressing?
oughtn't they to have been compressing?