英语四级语法200条之被动语态的构成

英语四级语法 200 条之被动语态的构成 被动语态由 be＋过去分词构成，过去分词构成，be 随时态的变化而变化。以 give 为例，各种时态的被动 语态形式为：一般现在时：am/is/are＋过去分词构成，given 【例句】 The first section of New College English is designed for speaking practice and is based on pictures and topics. 一般过去时：was/were＋过去分词构成，given 【例句】 These computers were made in our own country. 一般将来时：will/shall be＋过去分词构成，given 【例句】 Shall we be asked to attend the opening ceremony? Sir Denis, who is 78, has made it known that much of his collection ____to the nation. (CET-4 1996, 6) A) has left B) is to leave C) leaves D) is to be left 本句意思为：78 岁的 Denis 先生声明他将把他的大多数收藏品留给国家。所以 leave 应用 一般将来时的被动形式。一般将来时可以用来 be to do sth 表达，因此答案为 D. 过去将来时：would be＋过去分词构成，given 【例句】 The news would be sent to the soldier's mother as soon as it arrived. 现在进行时：am/is/are being＋过去分词构成，given 【例句】 The machine is being repaired in the workshop. The fifth generation computers, with artificial intelligence, are ____and perfected now. ( CET-4 1996,1) A) developed B) have developed C) are being developed D) will have been developed 本句测试点是动词的时态和语态。develop 和 perfect 是两个并列的谓语动词，perfect 用 的是被动形式，develop 也应该用被动形式，而且句子的时间状语为 now，故 develop 应 用现在进行时的被动语态，答案为 C。 过去进行时：was/were being＋过去分词构成，given 【例句】 The feast was being prepared when the birds arrived in the sky 现在完成时：has/have been＋过去分词构成，given 【例句】 Swift progress has also been made in culture and education. 过去完成时：had been＋过去分词构成，given 【例句】 The huge bridge had been damaged before the World WarⅡ. 将来完成时：will/shall have been＋过去分词构成，given 【例句】 The book will have been published by the end of next month.