ought to desert
Regular verb: desert - deserted- deserted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to desert
you ought to desert
she ought to desert
we ought to desert
you ought to desert
they ought to desert 	I ought to be deserting
you ought to be deserting
she ought to be deserting
we ought to be deserting
you ought to be deserting
they ought to be deserting	I ought to have deserted
you ought to have deserted
she ought to have deserted
we ought to have deserted
you ought to have deserted
they ought to have deserted	I ought to have been deserting
you ought to have been deserting
she ought to have been deserting
we ought to have been deserting
you ought to have been deserting
they ought to have been deserting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to desert
you oughtn't to desert
she oughtn't to desert
we oughtn't to desert
you oughtn't to desert
they oughtn't to desert 	I oughtn't to be deserting
you oughtn't to be deserting
she oughtn't to be deserting
we oughtn't to be deserting
you oughtn't to be deserting
they oughtn't to be deserting	I oughtn't to have deserted
you oughtn't to have deserted
she oughtn't to have deserted
we oughtn't to have deserted
you oughtn't to have deserted
they oughtn't to have deserted	I oughtn't to have been deserting
you oughtn't to have been deserting
she oughtn't to have been deserting
we oughtn't to have been deserting
you oughtn't to have been deserting
they oughtn't to have been deserting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I desert?
ought to you desert?
ought to she desert?
ought to we desert?
ought to you desert?
ought to they desert? 	ought to I be deserting?
ought to you be deserting?
ought to she be deserting?
ought to we be deserting?
ought to you be deserting?
ought to they be deserting? 	ought to I have deserted?
ought to you have deserted?
ought to she have deserted?
ought to we have deserted?
ought to you have deserted?
ought to they have deserted? 	ought to I have been deserting?
ought to you have been deserting?
ought to she have been deserting?
ought to we have been deserting?
ought to you have been deserting?
ought to they have been deserting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to desert?
oughtn't you to desert?
oughtn't she to desert?
oughtn't we to desert?
oughtn't you to desert?
oughtn't they to desert? 	oughtn't I to be deserting?
oughtn't you to be deserting?
oughtn't she to be deserting?
oughtn't we to be deserting?
oughtn't you to be deserting?
oughtn't they to be deserting? 	oughtn't I to have deserted?
oughtn't you to have deserted?
oughtn't she to have deserted?
oughtn't we to have deserted?
oughtn't you to have deserted?
oughtn't they to have deserted? 	oughtn't I to have been deserting?
oughtn't you to have been deserting?
oughtn't she to have been deserting?
oughtn't we to have been deserting?
oughtn't you to have been deserting?
oughtn't they to have been deserting?