Łatwa do zapamiętania strona bierna - passive voice

Tabelka poniżej pokazuje łatwą do zapamiętania stronę bierną:
Kol 1 - strona czynna,
kol 2 - dopełnienie w str czynnej stające się podmiotem w biernej,
kol 3 - str bierna:

I write - a letter - is written (by me)czasownik z -ed lub 3 kolumna
I wrote- a letter - was written czasownik 'być' zawsze w czasie str czyn.
I am writing - a letter - is being written
I was writing - a letter -was being written
I have written - a letter -has been written
I had written - a letter -had been written
I will write - a letter -will be written
I can write - a letter - can be written
I should write - a letter - should be written
I must write - a letter - must be written
I have to write - a letter - has to be written