ought to strive
Verbo irregular: strive - strived- striven

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to strive
you ought to strive
she ought to strive
we ought to strive
you ought to strive
they ought to strive 	I ought to be striving
you ought to be striving
she ought to be striving
we ought to be striving
you ought to be striving
they ought to be striving	I ought to have striven
you ought to have striven
she ought to have striven
we ought to have striven
you ought to have striven
they ought to have striven	I ought to have been striving
you ought to have been striving
she ought to have been striving
we ought to have been striving
you ought to have been striving
they ought to have been striving	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I oughtn't to strive
you oughtn't to strive
she oughtn't to strive
we oughtn't to strive
you oughtn't to strive
they oughtn't to strive 	I oughtn't to be striving
you oughtn't to be striving
she oughtn't to be striving
we oughtn't to be striving
you oughtn't to be striving
they oughtn't to be striving	I oughtn't to have striven
you oughtn't to have striven
she oughtn't to have striven
we oughtn't to have striven
you oughtn't to have striven
they oughtn't to have striven	I oughtn't to have been striving
you oughtn't to have been striving
she oughtn't to have been striving
we oughtn't to have been striving
you oughtn't to have been striving
they oughtn't to have been striving	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I strive?
ought to you strive?
ought to she strive?
ought to we strive?
ought to you strive?
ought to they strive? 	ought to I be striving?
ought to you be striving?
ought to she be striving?
ought to we be striving?
ought to you be striving?
ought to they be striving? 	ought to I have striven?
ought to you have striven?
ought to she have striven?
ought to we have striven?
ought to you have striven?
ought to they have striven? 	ought to I have been striving?
ought to you have been striving?
ought to she have been striving?
ought to we have been striving?
ought to you have been striving?
ought to they have been striving? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
oughtn't I to strive?
oughtn't you to strive?
oughtn't she to strive?
oughtn't we to strive?
oughtn't you to strive?
oughtn't they to strive? 	oughtn't I to be striving?
oughtn't you to be striving?
oughtn't she to be striving?
oughtn't we to be striving?
oughtn't you to be striving?
oughtn't they to be striving? 	oughtn't I to have striven?
oughtn't you to have striven?
oughtn't she to have striven?
oughtn't we to have striven?
oughtn't you to have striven?
oughtn't they to have striven? 	oughtn't I to have been striving?
oughtn't you to have been striving?
oughtn't she to have been striving?
oughtn't we to have been striving?
oughtn't you to have been striving?
oughtn't they to have been striving?