can author
Verbo regolare: author - authored- authored

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can author
you can author
he can author
we can author
you can author
they can author 	I can be authoring
you can be authoring
he can be authoring
we can be authoring
you can be authoring
they can be authoring	I can have authored
you can have authored
he can have authored
we can have authored
you can have authored
they can have authored	I can have been authoring
you can have been authoring
he can have been authoring
we can have been authoring
you can have been authoring
they can have been authoring	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can't author
you can't author
he can't author
we can't author
you can't author
they can't author 	I can't be authoring
you can't be authoring
he can't be authoring
we can't be authoring
you can't be authoring
they can't be authoring	I can't have authored
you can't have authored
he can't have authored
we can't have authored
you can't have authored
they can't have authored	I can't have been authoring
you can't have been authoring
he can't have been authoring
we can't have been authoring
you can't have been authoring
they can't have been authoring	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I author?
can you author?
can he author?
can we author?
can you author?
can they author? 	can I be authoring?
can you be authoring?
can he be authoring?
can we be authoring?
can you be authoring?
can they be authoring? 	can I have authored?
can you have authored?
can he have authored?
can we have authored?
can you have authored?
can they have authored? 	can I have been authoring?
can you have been authoring?
can he have been authoring?
can we have been authoring?
can you have been authoring?
can they have been authoring? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can't I author?
can't you author?
can't he author?
can't we author?
can't you author?
can't they author? 	can't I be authoring?
can't you be authoring?
can't he be authoring?
can't we be authoring?
can't you be authoring?
can't they be authoring? 	can't I have authored?
can't you have authored?
can't he have authored?
can't we have authored?
can't you have authored?
can't they have authored? 	can't I have been authoring?
can't you have been authoring?
can't he have been authoring?
can't we have been authoring?
can't you have been authoring?
can't they have been authoring?