ought to ski
Verbo regular: ski - skied- skied

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought to ski
you ought to ski
she ought to ski
we ought to ski
you ought to ski
they ought to ski 	I ought to be skiing
you ought to be skiing
she ought to be skiing
we ought to be skiing
you ought to be skiing
they ought to be skiing	I ought to have skied
you ought to have skied
she ought to have skied
we ought to have skied
you ought to have skied
they ought to have skied	I ought to have been skiing
you ought to have been skiing
she ought to have been skiing
we ought to have been skiing
you ought to have been skiing
they ought to have been skiing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I oughtn't to ski
you oughtn't to ski
she oughtn't to ski
we oughtn't to ski
you oughtn't to ski
they oughtn't to ski 	I oughtn't to be skiing
you oughtn't to be skiing
she oughtn't to be skiing
we oughtn't to be skiing
you oughtn't to be skiing
they oughtn't to be skiing	I oughtn't to have skied
you oughtn't to have skied
she oughtn't to have skied
we oughtn't to have skied
you oughtn't to have skied
they oughtn't to have skied	I oughtn't to have been skiing
you oughtn't to have been skiing
she oughtn't to have been skiing
we oughtn't to have been skiing
you oughtn't to have been skiing
they oughtn't to have been skiing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought to I ski?
ought to you ski?
ought to she ski?
ought to we ski?
ought to you ski?
ought to they ski? 	ought to I be skiing?
ought to you be skiing?
ought to she be skiing?
ought to we be skiing?
ought to you be skiing?
ought to they be skiing? 	ought to I have skied?
ought to you have skied?
ought to she have skied?
ought to we have skied?
ought to you have skied?
ought to they have skied? 	ought to I have been skiing?
ought to you have been skiing?
ought to she have been skiing?
ought to we have been skiing?
ought to you have been skiing?
ought to they have been skiing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
oughtn't I to ski?
oughtn't you to ski?
oughtn't she to ski?
oughtn't we to ski?
oughtn't you to ski?
oughtn't they to ski? 	oughtn't I to be skiing?
oughtn't you to be skiing?
oughtn't she to be skiing?
oughtn't we to be skiing?
oughtn't you to be skiing?
oughtn't they to be skiing? 	oughtn't I to have skied?
oughtn't you to have skied?
oughtn't she to have skied?
oughtn't we to have skied?
oughtn't you to have skied?
oughtn't they to have skied? 	oughtn't I to have been skiing?
oughtn't you to have been skiing?
oughtn't she to have been skiing?
oughtn't we to have been skiing?
oughtn't you to have been skiing?
oughtn't they to have been skiing?