I ought to oscillate you ought to oscillate she ought to oscillate we ought to oscillate you ought to oscillate they ought to oscillate
V-ing form
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
Perfect
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
V-ing perfect
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
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
V-ing form
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
Perfect
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
V-ing perfect
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
ought to I oscillate? ought to you oscillate? ought to she oscillate? ought to we oscillate? ought to you oscillate? ought to they oscillate?
V-ing form
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?
Perfect
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?
V-ing perfect
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
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?
V-ing form
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?
Perfect
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?
V-ing perfect
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?