探究发现
①Spring Festival is highly valued by every Chinese family.
②The house was cleaned from top to bottom.
③Fireworks were being let off across the city.
④The spirit of the festival — the spirit of family — has largely been kept.
⑤Every year, the moment I get on the train, I am surrounded by Shanxi accents.
[我的发现]
1．被动语态一般由“助动词be＋及物动词的过去分词”构成。
2．助动词 be 本身无词义，但有人称、数和时态的变化。
