could append
Verbo regolare: append - appended- appended

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could append
you could append
he could append
we could append
you could append
they could append 	I could be appending
you could be appending
he could be appending
we could be appending
you could be appending
they could be appending	I could have appended
you could have appended
he could have appended
we could have appended
you could have appended
they could have appended	I could have been appending
you could have been appending
he could have been appending
we could have been appending
you could have been appending
they could have been appending	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't append
you couldn't append
he couldn't append
we couldn't append
you couldn't append
they couldn't append 	I couldn't be appending
you couldn't be appending
he couldn't be appending
we couldn't be appending
you couldn't be appending
they couldn't be appending	I couldn't have appended
you couldn't have appended
he couldn't have appended
we couldn't have appended
you couldn't have appended
they couldn't have appended	I couldn't have been appending
you couldn't have been appending
he couldn't have been appending
we couldn't have been appending
you couldn't have been appending
they couldn't have been appending	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I append?
could you append?
could he append?
could we append?
could you append?
could they append? 	could I be appending?
could you be appending?
could he be appending?
could we be appending?
could you be appending?
could they be appending? 	could I have appended?
could you have appended?
could he have appended?
could we have appended?
could you have appended?
could they have appended? 	could I have been appending?
could you have been appending?
could he have been appending?
could we have been appending?
could you have been appending?
could they have been appending? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I append?
couldn't you append?
couldn't he append?
couldn't we append?
couldn't you append?
couldn't they append? 	couldn't I be appending?
couldn't you be appending?
couldn't he be appending?
couldn't we be appending?
couldn't you be appending?
couldn't they be appending? 	couldn't I have appended?
couldn't you have appended?
couldn't he have appended?
couldn't we have appended?
couldn't you have appended?
couldn't they have appended? 	couldn't I have been appending?
couldn't you have been appending?
couldn't he have been appending?
couldn't we have been appending?
couldn't you have been appending?
couldn't they have been appending?