ought to fumble
Regular verb: fumble - fumbled- fumbled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to fumble
you ought to fumble
she ought to fumble
we ought to fumble
you ought to fumble
they ought to fumble 	I ought to be fumbling
you ought to be fumbling
she ought to be fumbling
we ought to be fumbling
you ought to be fumbling
they ought to be fumbling	I ought to have fumbled
you ought to have fumbled
she ought to have fumbled
we ought to have fumbled
you ought to have fumbled
they ought to have fumbled	I ought to have been fumbling
you ought to have been fumbling
she ought to have been fumbling
we ought to have been fumbling
you ought to have been fumbling
they ought to have been fumbling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to fumble
you oughtn't to fumble
she oughtn't to fumble
we oughtn't to fumble
you oughtn't to fumble
they oughtn't to fumble 	I oughtn't to be fumbling
you oughtn't to be fumbling
she oughtn't to be fumbling
we oughtn't to be fumbling
you oughtn't to be fumbling
they oughtn't to be fumbling	I oughtn't to have fumbled
you oughtn't to have fumbled
she oughtn't to have fumbled
we oughtn't to have fumbled
you oughtn't to have fumbled
they oughtn't to have fumbled	I oughtn't to have been fumbling
you oughtn't to have been fumbling
she oughtn't to have been fumbling
we oughtn't to have been fumbling
you oughtn't to have been fumbling
they oughtn't to have been fumbling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I fumble?
ought to you fumble?
ought to she fumble?
ought to we fumble?
ought to you fumble?
ought to they fumble? 	ought to I be fumbling?
ought to you be fumbling?
ought to she be fumbling?
ought to we be fumbling?
ought to you be fumbling?
ought to they be fumbling? 	ought to I have fumbled?
ought to you have fumbled?
ought to she have fumbled?
ought to we have fumbled?
ought to you have fumbled?
ought to they have fumbled? 	ought to I have been fumbling?
ought to you have been fumbling?
ought to she have been fumbling?
ought to we have been fumbling?
ought to you have been fumbling?
ought to they have been fumbling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to fumble?
oughtn't you to fumble?
oughtn't she to fumble?
oughtn't we to fumble?
oughtn't you to fumble?
oughtn't they to fumble? 	oughtn't I to be fumbling?
oughtn't you to be fumbling?
oughtn't she to be fumbling?
oughtn't we to be fumbling?
oughtn't you to be fumbling?
oughtn't they to be fumbling? 	oughtn't I to have fumbled?
oughtn't you to have fumbled?
oughtn't she to have fumbled?
oughtn't we to have fumbled?
oughtn't you to have fumbled?
oughtn't they to have fumbled? 	oughtn't I to have been fumbling?
oughtn't you to have been fumbling?
oughtn't she to have been fumbling?
oughtn't we to have been fumbling?
oughtn't you to have been fumbling?
oughtn't they to have been fumbling?