ought to amuse
Regular verb: amuse - amused- amused

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to amuse
you ought to amuse
she ought to amuse
we ought to amuse
you ought to amuse
they ought to amuse 	I ought to be amusing
you ought to be amusing
she ought to be amusing
we ought to be amusing
you ought to be amusing
they ought to be amusing	I ought to have amused
you ought to have amused
she ought to have amused
we ought to have amused
you ought to have amused
they ought to have amused	I ought to have been amusing
you ought to have been amusing
she ought to have been amusing
we ought to have been amusing
you ought to have been amusing
they ought to have been amusing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to amuse
you oughtn't to amuse
she oughtn't to amuse
we oughtn't to amuse
you oughtn't to amuse
they oughtn't to amuse 	I oughtn't to be amusing
you oughtn't to be amusing
she oughtn't to be amusing
we oughtn't to be amusing
you oughtn't to be amusing
they oughtn't to be amusing	I oughtn't to have amused
you oughtn't to have amused
she oughtn't to have amused
we oughtn't to have amused
you oughtn't to have amused
they oughtn't to have amused	I oughtn't to have been amusing
you oughtn't to have been amusing
she oughtn't to have been amusing
we oughtn't to have been amusing
you oughtn't to have been amusing
they oughtn't to have been amusing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I amuse?
ought to you amuse?
ought to she amuse?
ought to we amuse?
ought to you amuse?
ought to they amuse? 	ought to I be amusing?
ought to you be amusing?
ought to she be amusing?
ought to we be amusing?
ought to you be amusing?
ought to they be amusing? 	ought to I have amused?
ought to you have amused?
ought to she have amused?
ought to we have amused?
ought to you have amused?
ought to they have amused? 	ought to I have been amusing?
ought to you have been amusing?
ought to she have been amusing?
ought to we have been amusing?
ought to you have been amusing?
ought to they have been amusing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to amuse?
oughtn't you to amuse?
oughtn't she to amuse?
oughtn't we to amuse?
oughtn't you to amuse?
oughtn't they to amuse? 	oughtn't I to be amusing?
oughtn't you to be amusing?
oughtn't she to be amusing?
oughtn't we to be amusing?
oughtn't you to be amusing?
oughtn't they to be amusing? 	oughtn't I to have amused?
oughtn't you to have amused?
oughtn't she to have amused?
oughtn't we to have amused?
oughtn't you to have amused?
oughtn't they to have amused? 	oughtn't I to have been amusing?
oughtn't you to have been amusing?
oughtn't she to have been amusing?
oughtn't we to have been amusing?
oughtn't you to have been amusing?
oughtn't they to have been amusing?