ought to contend
Verbo regular: contend - contended- contended

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to contend
you ought to contend
he ought to contend
we ought to contend
you ought to contend
they ought to contend 	I ought to be contending
you ought to be contending
he ought to be contending
we ought to be contending
you ought to be contending
they ought to be contending	I ought to have contended
you ought to have contended
he ought to have contended
we ought to have contended
you ought to have contended
they ought to have contended	I ought to have been contending
you ought to have been contending
he ought to have been contending
we ought to have been contending
you ought to have been contending
they ought to have been contending	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I oughtn't to contend
you oughtn't to contend
he oughtn't to contend
we oughtn't to contend
you oughtn't to contend
they oughtn't to contend 	I oughtn't to be contending
you oughtn't to be contending
he oughtn't to be contending
we oughtn't to be contending
you oughtn't to be contending
they oughtn't to be contending	I oughtn't to have contended
you oughtn't to have contended
he oughtn't to have contended
we oughtn't to have contended
you oughtn't to have contended
they oughtn't to have contended	I oughtn't to have been contending
you oughtn't to have been contending
he oughtn't to have been contending
we oughtn't to have been contending
you oughtn't to have been contending
they oughtn't to have been contending	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I contend?
ought to you contend?
ought to he contend?
ought to we contend?
ought to you contend?
ought to they contend? 	ought to I be contending?
ought to you be contending?
ought to he be contending?
ought to we be contending?
ought to you be contending?
ought to they be contending? 	ought to I have contended?
ought to you have contended?
ought to he have contended?
ought to we have contended?
ought to you have contended?
ought to they have contended? 	ought to I have been contending?
ought to you have been contending?
ought to he have been contending?
ought to we have been contending?
ought to you have been contending?
ought to they have been contending? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
oughtn't I to contend?
oughtn't you to contend?
oughtn't he to contend?
oughtn't we to contend?
oughtn't you to contend?
oughtn't they to contend? 	oughtn't I to be contending?
oughtn't you to be contending?
oughtn't he to be contending?
oughtn't we to be contending?
oughtn't you to be contending?
oughtn't they to be contending? 	oughtn't I to have contended?
oughtn't you to have contended?
oughtn't he to have contended?
oughtn't we to have contended?
oughtn't you to have contended?
oughtn't they to have contended? 	oughtn't I to have been contending?
oughtn't you to have been contending?
oughtn't he to have been contending?
oughtn't we to have been contending?
oughtn't you to have been contending?
oughtn't they to have been contending?