Teachers shouldn't allow him to take the test later.（改为被动语态） _ shuldn't _ _ to take the teTeachers shouldn't allow him to take the test later.（改为被动语态）_ shuldn't _ _ to take the test later.
问题描述：
Teachers shouldn't allow him to take the test later.（改为被动语态） _ shuldn't _ _ to take the te
Teachers shouldn't allow him to take the test later.（改为被动语态）
_ shuldn't _ _ to take the test later.
答
【He】shouldn't 【be allowed】to take the test later
带情态动词的被动语态的动词形式为：
情态动词+ be+过去分词