ought to isolate
Regular verb: isolate - isolated- isolated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to isolate
you ought to isolate
she ought to isolate
we ought to isolate
you ought to isolate
they ought to isolate 	I ought to be isolating
you ought to be isolating
she ought to be isolating
we ought to be isolating
you ought to be isolating
they ought to be isolating	I ought to have isolated
you ought to have isolated
she ought to have isolated
we ought to have isolated
you ought to have isolated
they ought to have isolated	I ought to have been isolating
you ought to have been isolating
she ought to have been isolating
we ought to have been isolating
you ought to have been isolating
they ought to have been isolating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to isolate
you oughtn't to isolate
she oughtn't to isolate
we oughtn't to isolate
you oughtn't to isolate
they oughtn't to isolate 	I oughtn't to be isolating
you oughtn't to be isolating
she oughtn't to be isolating
we oughtn't to be isolating
you oughtn't to be isolating
they oughtn't to be isolating	I oughtn't to have isolated
you oughtn't to have isolated
she oughtn't to have isolated
we oughtn't to have isolated
you oughtn't to have isolated
they oughtn't to have isolated	I oughtn't to have been isolating
you oughtn't to have been isolating
she oughtn't to have been isolating
we oughtn't to have been isolating
you oughtn't to have been isolating
they oughtn't to have been isolating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I isolate?
ought to you isolate?
ought to she isolate?
ought to we isolate?
ought to you isolate?
ought to they isolate? 	ought to I be isolating?
ought to you be isolating?
ought to she be isolating?
ought to we be isolating?
ought to you be isolating?
ought to they be isolating? 	ought to I have isolated?
ought to you have isolated?
ought to she have isolated?
ought to we have isolated?
ought to you have isolated?
ought to they have isolated? 	ought to I have been isolating?
ought to you have been isolating?
ought to she have been isolating?
ought to we have been isolating?
ought to you have been isolating?
ought to they have been isolating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to isolate?
oughtn't you to isolate?
oughtn't she to isolate?
oughtn't we to isolate?
oughtn't you to isolate?
oughtn't they to isolate? 	oughtn't I to be isolating?
oughtn't you to be isolating?
oughtn't she to be isolating?
oughtn't we to be isolating?
oughtn't you to be isolating?
oughtn't they to be isolating? 	oughtn't I to have isolated?
oughtn't you to have isolated?
oughtn't she to have isolated?
oughtn't we to have isolated?
oughtn't you to have isolated?
oughtn't they to have isolated? 	oughtn't I to have been isolating?
oughtn't you to have been isolating?
oughtn't she to have been isolating?
oughtn't we to have been isolating?
oughtn't you to have been isolating?
oughtn't they to have been isolating?