I have been teaching a 14 year old female student for a month now and came across the passive tense in the text book we were using. Finding it difficult, I got an exercise book to practice the passive tenses, then some "fill the gap" exercises with the correct tense.
I then came across the following questions which I understood how to answer, but I just couldn't explain to the student why.
The sentence to "fill in the gap" with is as follows:
Why .......................... from her job? Didn't she enjoy it?
(fill in the gap with Sue/resign) - "did Sue resign"
Why .......................... from his job? What did he do wrong?
(fill in the gap with Bill/sack) - "was Bill sacked"
I myself understood the answer, but I can't explain why. Is there a way I can explain this to my student why the answers are such?