改成被动语态WE CALL AT CLAVICHORD.SOMEONE MADE IT IN GERMANY IN 16

1 Clavichord is called by us.（一般现在时被动：be+过去分词）
2 It was made in Germany in 1681 by someone.（一般过去时被动;was/were+过去分词）
3 Our clavichord is kept in the living room by us.（一般现在时被动)
4 The instrument was bought many years ago by my grandfather.（一般过去时被动)
5 It was damaged by a visitor recently.(一般过去时被动）
6 Two of the string were broken by her.(一般过去时被动,主语是复数,故谓语动词用were.）
7 My father was shocked by this.(一般过去时被动）
8 We are not allowed to touch it now.(一般现在时被动)
9 It is being repaired by a friend of my father's.（现在进行时被动：be+being+过去分词）

被动语态 1. 被动语态 (1). 被动语态表示句子的主语是谓语动词所表示的动作承受者。 (2). 被动语态基本结构：be+及物动词的过去分词 (如果是不用物动词，其过去分词应带有相应的介词) (3). 被动语态中的be 是助动词，有人称、数和时态的变化。 一般现在时被动语态为：am/is/are+过去分词 一般过...

It was made by someone in Germany in 1681 Our clavichord was kept by us in the living room The instrument was bought by my grandfather many years ago It was damaged by a visitor recently Two of th...