动词非谓语形式包括不定式、动名词、分词，它们在句中可以担任不同的成分，但是不能单独作谓语。它们的被动语态是用来表示主语是动作的承受者，而不是发出者。
- 不定式的被动语态：由“to be+ 过去分词”构成。它可以作主语、宾语、宾语补足语、表语、定语和状语。如：
- To be praised by the teacher is his dream.（被老师表扬是他的梦想。）不定式作主语。
- He wants to be praised by the teacher.（他想被老师表扬。）不定式作宾语。
- He expects me to be praised by the teacher.（他期待我被老师表扬。）不定式作宾语补足语。
- His dream is to be praised by the teacher.（他的梦想是被老师表扬。）不定式作表语。
- He has a chance to be praised by the teacher.（他有机会被老师表扬。）不定式作定语。
- He works hard to be praised by the teacher.（他努力工作为了被老师表扬。）不定式作状语。
- 动名词的被动语态：由“being+ 过去分词”构成。它可以作主语、宾语、表语和定语。如：
- Being praised by the teacher is a great honor.（被老师表扬是一个很大的荣誉。）动名词作主语。
- He enjoys being praised by the teacher.（他喜欢被老师表扬。）动名词作宾语。
- His hobby is being praised by the teacher.（他的爱好是被老师表扬。）动名词作表语。
- He has a habit of being praised by the teacher.（他有一个被老师表扬的习惯。）动名词作介词宾语。
- 分词的被动语态：由“being+ 过去分词”或“having been+ 过去分词”构成。它可以作状语、定语和补足语。如：
- Being praised by the teacher, he felt happy.（被老师表扬，他感到高兴。）分词作状语，表示原因。
- Having been praised by the teacher, he became more confident.（被老师表扬后，他变得更自信了。）分词作状语，表示时间。
- The boy standing there is praised by the teacher.（站在那里的男孩被老师表扬了。）分词作定语，修饰boy。
- I saw him praised by the teacher.（我看见他被老师表扬了。）分词作补足语，补充说明him。