ought to oscillate
Regular verb: oscillate - oscillated- oscillated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to oscillate
you ought to oscillate
she ought to oscillate
we ought to oscillate
you ought to oscillate
they ought to oscillate 	I ought to be oscillating
you ought to be oscillating
she ought to be oscillating
we ought to be oscillating
you ought to be oscillating
they ought to be oscillating	I ought to have oscillated
you ought to have oscillated
she ought to have oscillated
we ought to have oscillated
you ought to have oscillated
they ought to have oscillated	I ought to have been oscillating
you ought to have been oscillating
she ought to have been oscillating
we ought to have been oscillating
you ought to have been oscillating
they ought to have been oscillating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to oscillate
you oughtn't to oscillate
she oughtn't to oscillate
we oughtn't to oscillate
you oughtn't to oscillate
they oughtn't to oscillate 	I oughtn't to be oscillating
you oughtn't to be oscillating
she oughtn't to be oscillating
we oughtn't to be oscillating
you oughtn't to be oscillating
they oughtn't to be oscillating	I oughtn't to have oscillated
you oughtn't to have oscillated
she oughtn't to have oscillated
we oughtn't to have oscillated
you oughtn't to have oscillated
they oughtn't to have oscillated	I oughtn't to have been oscillating
you oughtn't to have been oscillating
she oughtn't to have been oscillating
we oughtn't to have been oscillating
you oughtn't to have been oscillating
they oughtn't to have been oscillating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I oscillate?
ought to you oscillate?
ought to she oscillate?
ought to we oscillate?
ought to you oscillate?
ought to they oscillate? 	ought to I be oscillating?
ought to you be oscillating?
ought to she be oscillating?
ought to we be oscillating?
ought to you be oscillating?
ought to they be oscillating? 	ought to I have oscillated?
ought to you have oscillated?
ought to she have oscillated?
ought to we have oscillated?
ought to you have oscillated?
ought to they have oscillated? 	ought to I have been oscillating?
ought to you have been oscillating?
ought to she have been oscillating?
ought to we have been oscillating?
ought to you have been oscillating?
ought to they have been oscillating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to oscillate?
oughtn't you to oscillate?
oughtn't she to oscillate?
oughtn't we to oscillate?
oughtn't you to oscillate?
oughtn't they to oscillate? 	oughtn't I to be oscillating?
oughtn't you to be oscillating?
oughtn't she to be oscillating?
oughtn't we to be oscillating?
oughtn't you to be oscillating?
oughtn't they to be oscillating? 	oughtn't I to have oscillated?
oughtn't you to have oscillated?
oughtn't she to have oscillated?
oughtn't we to have oscillated?
oughtn't you to have oscillated?
oughtn't they to have oscillated? 	oughtn't I to have been oscillating?
oughtn't you to have been oscillating?
oughtn't she to have been oscillating?
oughtn't we to have been oscillating?
oughtn't you to have been oscillating?
oughtn't they to have been oscillating?