ought to screech
Regular verb: screech - screeched- screeched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to screech
you ought to screech
she ought to screech
we ought to screech
you ought to screech
they ought to screech 	I ought to be screeching
you ought to be screeching
she ought to be screeching
we ought to be screeching
you ought to be screeching
they ought to be screeching	I ought to have screeched
you ought to have screeched
she ought to have screeched
we ought to have screeched
you ought to have screeched
they ought to have screeched	I ought to have been screeching
you ought to have been screeching
she ought to have been screeching
we ought to have been screeching
you ought to have been screeching
they ought to have been screeching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to screech
you oughtn't to screech
she oughtn't to screech
we oughtn't to screech
you oughtn't to screech
they oughtn't to screech 	I oughtn't to be screeching
you oughtn't to be screeching
she oughtn't to be screeching
we oughtn't to be screeching
you oughtn't to be screeching
they oughtn't to be screeching	I oughtn't to have screeched
you oughtn't to have screeched
she oughtn't to have screeched
we oughtn't to have screeched
you oughtn't to have screeched
they oughtn't to have screeched	I oughtn't to have been screeching
you oughtn't to have been screeching
she oughtn't to have been screeching
we oughtn't to have been screeching
you oughtn't to have been screeching
they oughtn't to have been screeching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I screech?
ought to you screech?
ought to she screech?
ought to we screech?
ought to you screech?
ought to they screech? 	ought to I be screeching?
ought to you be screeching?
ought to she be screeching?
ought to we be screeching?
ought to you be screeching?
ought to they be screeching? 	ought to I have screeched?
ought to you have screeched?
ought to she have screeched?
ought to we have screeched?
ought to you have screeched?
ought to they have screeched? 	ought to I have been screeching?
ought to you have been screeching?
ought to she have been screeching?
ought to we have been screeching?
ought to you have been screeching?
ought to they have been screeching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to screech?
oughtn't you to screech?
oughtn't she to screech?
oughtn't we to screech?
oughtn't you to screech?
oughtn't they to screech? 	oughtn't I to be screeching?
oughtn't you to be screeching?
oughtn't she to be screeching?
oughtn't we to be screeching?
oughtn't you to be screeching?
oughtn't they to be screeching? 	oughtn't I to have screeched?
oughtn't you to have screeched?
oughtn't she to have screeched?
oughtn't we to have screeched?
oughtn't you to have screeched?
oughtn't they to have screeched? 	oughtn't I to have been screeching?
oughtn't you to have been screeching?
oughtn't she to have been screeching?
oughtn't we to have been screeching?
oughtn't you to have been screeching?
oughtn't they to have been screeching?