ought to ski
Verbo regolare: ski - skied- skied

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I ought to ski
you ought to ski
he 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
he 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
he 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
he ought to have been skiing
we ought to have been skiing
you ought to have been skiing
they ought to have been skiing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I ought not to ski
you ought not to ski
he ought not to ski
we ought not to ski
you ought not to ski
they ought not to ski 	I ought not to skiing
you ought not to skiing
he ought not to skiing
we ought not to skiing
you ought not to skiing
they ought not to skiing	I ought not to have skied
you ought not to have skied
he ought not to have skied
we ought not to have skied
you ought not to have skied
they ought not to have skied	I ought not to have been skiing
you ought not to have been skiing
he ought not to have been skiing
we ought not to have been skiing
you ought not to have been skiing
they ought not to have been skiing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
ought to I ski?
ought to you ski?
ought to he 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 he 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 he 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 he have been skiing?
ought to we have been skiing?
ought to you have been skiing?
ought to they have been skiing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
ought I not to ski?
ought you not to ski?
ought he not to ski?
ought we not to ski?
ought you not to ski?
ought they not to ski? 	ought I not to be skiing?
ought you not to be skiing?
ought he not to be skiing?
ought we not to be skiing?
ought you not to be skiing?
ought they not to be skiing? 	ought I not to have skied?
ought you not to have skied?
ought he not to have skied?
ought we not to have skied?
ought you not to have skied?
ought they not to have skied? 	ought I not to have been skiing?
ought you not to have been skiing?
ought he not to have been skiing?
ought we not to have been skiing?
ought you not to have been skiing?
ought they not to have been skiing?