ought to crouch
Regular verb: crouch - crouched- crouched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to crouch
you ought to crouch
he ought to crouch
we ought to crouch
you ought to crouch
they ought to crouch 	I ought to be crouching
you ought to be crouching
he ought to be crouching
we ought to be crouching
you ought to be crouching
they ought to be crouching	I ought to have crouched
you ought to have crouched
he ought to have crouched
we ought to have crouched
you ought to have crouched
they ought to have crouched	I ought to have been crouching
you ought to have been crouching
he ought to have been crouching
we ought to have been crouching
you ought to have been crouching
they ought to have been crouching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to crouch
you ought not to crouch
he ought not to crouch
we ought not to crouch
you ought not to crouch
they ought not to crouch 	I ought not to crouching
you ought not to crouching
he ought not to crouching
we ought not to crouching
you ought not to crouching
they ought not to crouching	I ought not to have crouched
you ought not to have crouched
he ought not to have crouched
we ought not to have crouched
you ought not to have crouched
they ought not to have crouched	I ought not to have been crouching
you ought not to have been crouching
he ought not to have been crouching
we ought not to have been crouching
you ought not to have been crouching
they ought not to have been crouching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I crouch?
ought to you crouch?
ought to he crouch?
ought to we crouch?
ought to you crouch?
ought to they crouch? 	ought to I be crouching?
ought to you be crouching?
ought to he be crouching?
ought to we be crouching?
ought to you be crouching?
ought to they be crouching? 	ought to I have crouched?
ought to you have crouched?
ought to he have crouched?
ought to we have crouched?
ought to you have crouched?
ought to they have crouched? 	ought to I have been crouching?
ought to you have been crouching?
ought to he have been crouching?
ought to we have been crouching?
ought to you have been crouching?
ought to they have been crouching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to crouch?
ought you not to crouch?
ought he not to crouch?
ought we not to crouch?
ought you not to crouch?
ought they not to crouch? 	ought I not to be crouching?
ought you not to be crouching?
ought he not to be crouching?
ought we not to be crouching?
ought you not to be crouching?
ought they not to be crouching? 	ought I not to have crouched?
ought you not to have crouched?
ought he not to have crouched?
ought we not to have crouched?
ought you not to have crouched?
ought they not to have crouched? 	ought I not to have been crouching?
ought you not to have been crouching?
ought he not to have been crouching?
ought we not to have been crouching?
ought you not to have been crouching?
ought they not to have been crouching?