Unit4 语法：被动语态课件 2022-2023学年牛津译林版英语八年级下册

2023年牛津深圳版初二英语下册unit4语法: 被动语态 目录 1 2 被动语态的结构 含有情态动词的被动语态 3 被动语态的几种特殊用法 4 不用被动语态的情况 名言欣赏 Men are known by his companions. 观其友而知其人。 Rome was not built in a day. 罗马不是一天建成的。 Life is measured by thought and action, not by time. 衡量生命的尺度是思想和行动,而不是时间长短。 A friend without fault will never be found. 没有缺点的朋友永不可得。 1. 一般现在时:am / is / are +及物动词的过去分词 E.g.You are wanted on the phone. 有你的电话。 2. 一般过去时:was / were +及物动词的过去分词 E.g. China was liberated in 1949. 1949年中国解放。 3. 一般将来时:will / shall be +及物动词的过去分词 E.g. The problem will be discussed tomorrow. 明天将对这个问题进行讨论。 被动语态结构 4.含有情态动词的被动语态:情态动词+be+过去分词 E.g.1 Tables can be made of stone. 桌子可由石头制造。 E.g.2 Tables could be made of stone at that time. 那时桌子可由石头制造。 E.g.3 Can tables be made of stone? 桌子能用石头制造吗? 5.现在完成时:have / has been +及物动词的过去分词 E.g.The book in the library has been taken away. 图书馆里的这本书已经被人拿走。 被动语态结构 注意:被动语态牢记一点, be+动词过去分词。 分析句中主和谓, 承受者作主语即被动。 短语动词不可忘介、副词。 另有不及物动词, 只有主动无被动。 还要注意其时态, 与主动语态全相同。 被动语态结构 一、被动语态 含有情态动词的主动句变成被动句时,由“情态动词+be+过去分词”构成。 E.g.1 We can repair this watch in two days. →This watch can be repaired in two days. E.g.2 They should do it at once. →It_ _ _ at once. 含有情态动词的被动语态 should be done 二、特殊情况 1. He made the boy work for two hours yesterday. →The boy was made to work by him for two hours yesterday. 2. Mother never lets me watch TV . →I am never let to watch TV by mother. 含有情态动词的被动语态 3. Jack gave Peter a Christmas present just now. →(1)A Christmas present was given to Peter by Jack just now. →(2)Peter was given a Christmas present by Jack just now. 三、常见的句型结构: ①It is(was)agreed(believed/decided/hoped/thought......)that...... 大家同意(相信、决定、希望、认为)...... ②It is(was)well known that......众所周知 ③It is(was)taken for granted that......被视为当然 ④It is(was)said(reported, heard, told, suggested)that... 据说(报道,听说,告知,建议......) 含有情态动词的被动语态 实战演练 1. 我认为不应该允许十六岁的孩子开车。 I don’t think sixteen-year-old_ _ _ to drive. 2. 你认为应该鼓励青少年去自己做决定吗? Do you think teenagers _ _ _ to make their own decisions? 3. 不应该允许青少年去吸烟。 Teenagers _ _ _ _ to smoke. 4. 你认为如果不用闪光