Coniugazione del verbo inglese
CAN RETROFIRE

Verbo regolare: retrofire - retrofired - retrofired

Affermazione

Forma semplice	Forma con V-ing
I can retrofire you can retrofire he can retrofire we can retrofire you can retrofire they can retrofire	I can be retrofiring you can be retrofiring he can be retrofiring we can be retrofiring you can be retrofiring they can be retrofiring
Perfetto	Perfetto con V-ing
I can have retrofired you can have retrofired he can have retrofired we can have retrofired you can have retrofired they can have retrofired	I can have been retrofiring you can have been retrofiring he can have been retrofiring we can have been retrofiring you can have been retrofiring they can have been retrofiring

Negazione

Forma semplice	Forma con V-ing
I can't retrofire you can't retrofire he can't retrofire we can't retrofire you can't retrofire they can't retrofire	I can't be retrofiring you can't be retrofiring he can't be retrofiring we can't be retrofiring you can't be retrofiring they can't be retrofiring
Perfetto	Perfetto con V-ing
I can't have retrofired you can't have retrofired he can't have retrofired we can't have retrofired you can't have retrofired they can't have retrofired	I can't have been retrofiring you can't have been retrofiring he can't have been retrofiring we can't have been retrofiring you can't have been retrofiring they can't have been retrofiring

Forma interrogativa

Forma semplice	Forma con V-ing
can I retrofire? can you retrofire? can he retrofire? can we retrofire? can you retrofire? can they retrofire?	can I be retrofiring? can you be retrofiring? can he be retrofiring? can we be retrofiring? can you be retrofiring? can they be retrofiring?
Perfetto	Perfetto con V-ing
can I have retrofired? can you have retrofired? can he have retrofired? can we have retrofired? can you have retrofired? can they have retrofired?	can I have been retrofiring? can you have been retrofiring? can he have been retrofiring? can we have been retrofiring? can you have been retrofiring? can they have been retrofiring?

Forma interro-negativa

Forma semplice	Forma con V-ing
can't I retrofire? can't you retrofire? can't he retrofire? can't we retrofire? can't you retrofire? can't they retrofire?	can't I be retrofiring? can't you be retrofiring? can't he be retrofiring? can't we be retrofiring? can't you be retrofiring? can't they be retrofiring?
Perfetto	Perfetto con V-ing
can't I have retrofired? can't you have retrofired? can't he have retrofired? can't we have retrofired? can't you have retrofired? can't they have retrofired?	can't I have been retrofiring? can't you have been retrofiring? can't he have been retrofiring? can't we have been retrofiring? can't you have been retrofiring? can't they have been retrofiring?