同义句变换考点实训：语态转换 语态的相互转换，指的是通过改变主语，主动语态与被动语态之间可进行同义句 转换，特别要注意时态、情态动词的用法。如： 1. People grow rice in the south of China. Rice __________________________ in the south of Chi na. 答案：is grown。rice作主语，助动词用一般现在时的单数形式 is。 2. Every one should give back his library books on time. Library books ________________________________________ on time. 答案：be given back。被动句中含有情态动词 should，因此助动词用be。 3. It is widely accepted that more people use computers in the world today. 1 Computers _____________ widely _____________ in the world today. 答案：are; used。computers 是复数名词，助动词用 are。 4. We must keep the no ise level un der 50dbs（ 分贝）. The no ise level must__________________________ un der 50dbs. 答案：be kept。被动句中含情态动词 must，因此助动词用be。 5. Do they grow rice in autu mn? _____________ rice ______________ in autu mn? 答案：Is; grown。不可数名词rice作主语,助动词用单数Is, —般疑问句的肋句首 2 动词置于 本文来源：https://www.wddqw.com/doc/d0d5c4d4fe4ffe4733687e21af45b307e971f9db.html