could amuse
Verbo regular: amuse - amused- amused

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could amuse
you could amuse
he could amuse
we could amuse
you could amuse
they could amuse 	I could be amusing
you could be amusing
he could be amusing
we could be amusing
you could be amusing
they could be amusing	I could have amused
you could have amused
he could have amused
we could have amused
you could have amused
they could have amused	I could have been amusing
you could have been amusing
he could have been amusing
we could have been amusing
you could have been amusing
they could have been amusing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't amuse
you couldn't amuse
he couldn't amuse
we couldn't amuse
you couldn't amuse
they couldn't amuse 	I couldn't be amusing
you couldn't be amusing
he couldn't be amusing
we couldn't be amusing
you couldn't be amusing
they couldn't be amusing	I couldn't have amused
you couldn't have amused
he couldn't have amused
we couldn't have amused
you couldn't have amused
they couldn't have amused	I couldn't have been amusing
you couldn't have been amusing
he couldn't have been amusing
we couldn't have been amusing
you couldn't have been amusing
they couldn't have been amusing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I amuse?
could you amuse?
could he amuse?
could we amuse?
could you amuse?
could they amuse? 	could I be amusing?
could you be amusing?
could he be amusing?
could we be amusing?
could you be amusing?
could they be amusing? 	could I have amused?
could you have amused?
could he have amused?
could we have amused?
could you have amused?
could they have amused? 	could I have been amusing?
could you have been amusing?
could he have been amusing?
could we have been amusing?
could you have been amusing?
could they have been amusing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I amuse?
couldn't you amuse?
couldn't he amuse?
couldn't we amuse?
couldn't you amuse?
couldn't they amuse? 	couldn't I be amusing?
couldn't you be amusing?
couldn't he be amusing?
couldn't we be amusing?
couldn't you be amusing?
couldn't they be amusing? 	couldn't I have amused?
couldn't you have amused?
couldn't he have amused?
couldn't we have amused?
couldn't you have amused?
couldn't they have amused? 	couldn't I have been amusing?
couldn't you have been amusing?
couldn't he have been amusing?
couldn't we have been amusing?
couldn't you have been amusing?
couldn't they have been amusing?