ecco degli esempi per far capire come si formano le frasi passive in ficversi tempo:
PRESENT SIMPLE
I clean this room
This room is cleaned PASSIVO
PRESENT CONTINUOUS
I'm cleaning this room
This room is being cleaned PASSIVO
PRESENT PERFEKT
I've cleaned this room
This room have been cleaned PASSIVO
PAST SIMPLE
I cleaned this room
This room was cleaned PASSIVO
PAST CONTINUOUS
I was cleaning this room
This room was being cleaned PASSIVO
PAST PERFECT
I had cleaned this room
This room had been cleaned PASSIVO
FUTURE SIMPLE
I will clean this room
This room will be cleaned PASSIVO
BE GOING TO (futuro)
I am going to clean this room
This room is going to be cleaned PASSIVO
VERBI MODALI
I may clean this room
This room may be cleaned PASSIVO
I clean this room
This room is cleaned PASSIVO
PRESENT CONTINUOUS
I'm cleaning this room
This room is being cleaned PASSIVO
PRESENT PERFEKT
I've cleaned this room
This room have been cleaned PASSIVO
PAST SIMPLE
I cleaned this room
This room was cleaned PASSIVO
PAST CONTINUOUS
I was cleaning this room
This room was being cleaned PASSIVO
PAST PERFECT
I had cleaned this room
This room had been cleaned PASSIVO
FUTURE SIMPLE
I will clean this room
This room will be cleaned PASSIVO
BE GOING TO (futuro)
I am going to clean this room
This room is going to be cleaned PASSIVO
VERBI MODALI
I may clean this room
This room may be cleaned PASSIVO
si utilizzano queste frasi per non indicare il soggetto di chi compie l'azione come avete notato, o se no si aggiunge il "by" alla fine per indicare il soggetto. es : by me.
grazieeeeee
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