Coniugazione del verbo inglese
MUST RETROFIRE

Verbo regolare: retrofire - retrofired - retrofired

Affermazione

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

Negazione

Forma semplice	Forma con V-ing
I must not retrofire you must not retrofire she must not retrofire we must not retrofire you must not retrofire they must not retrofire	I must not be retrofiring you must not be retrofiring she must not be retrofiring we must not be retrofiring you must not be retrofiring they must not be retrofiring
Perfetto	Perfetto con V-ing
I must not have retrofired you must not have retrofired she must not have retrofired we must not have retrofired you must not have retrofired they must not have retrofired	I must not have been retrofiring you must not have been retrofiring she must not have been retrofiring we must not have been retrofiring you must not have been retrofiring they must not have been retrofiring

Forma interrogativa

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

Forma interro-negativa

Forma semplice	Forma con V-ing
must I not retrofire? must you not retrofire? must she not retrofire? must we not retrofire? must you not retrofire? must they not retrofire?	must I not be retrofiring? must you not be retrofiring? must she not be retrofiring? must we not be retrofiring? must you not be retrofiring? must they not be retrofiring?
Perfetto	Perfetto con V-ing
must I not have retrofired? must you not have retrofired? must she not have retrofired? must we not have retrofired? must you not have retrofired? must they not have retrofired?	must I not have been retrofiring? must you not have been retrofiring? must she not have been retrofiring? must we not have been retrofiring? must you not have been retrofiring? must they not have been retrofiring?