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第一册:英语初阶 · 全册短语与句型 · 第138–144课 ​

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本册介绍 · 全册课程目录 · 全册语法总结 · 全册单词总结 · 全册短语与句型 · 全册易错点 · 综合复习与自测

Lesson 138 · 真实条件句 ​

  • if we finish — 未来条件用现在时
  • will take — 条件结果用将来表达

句型示范: We will stay indoors if it rains tomorrow.

主句 will stay 表结果,后置 if it rains tomorrow 表未来条件;rains 用现在时,不机械改 will rain。

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Lesson 139 · 间接疑问句的陈述语序 ​

  • wants to know if — 想知道是否
  • could you tell me — 礼貌询问信息

句型示范: She wants to know whether the office is open.

Wants to know 是主句谓语结构;whether 表“是否”,从句 the office is open 采用陈述语序。

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Lesson 140 · 间接疑问句的陈述语序 ​

  • wants to know if — 想知道是否
  • could you tell me — 礼貌询问信息

句型示范: Could you tell me when the meeting starts?

Could you tell me 是外层礼貌问句;内层 when the meeting starts 是间接疑问,不能再加 does 倒装。

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Lesson 141 · 一般过去时被动语态 ​

  • was invited — 过去被邀请
  • were built — 多个对象过去被建造

句型示范: The guests were invited by email.

The guests 为被邀请者,were invited 为过去被动;by email 表通过邮件这一方式,并非动作执行者。

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Lesson 142 · 一般过去时被动语态 ​

  • was invited — 过去被邀请
  • were built — 多个对象过去被建造

句型示范: This bridge was built fifty years ago.

This bridge 为动作承受者,was built 为单数过去被动;fifty years ago 为明确过去时间。

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Lesson 143 · 现在完成时与将来时被动 ​

  • has been cleaned — 已被清理
  • will be planted — 将被种植

句型示范: The path has been cleared of fallen branches.

The path 是清理对象,has been cleared 为现在完成时被动;of fallen branches 说明被清除的东西。

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Lesson 144 · 现在完成时与将来时被动 ​

  • has been cleaned — 已被清理
  • will be planted — 将被种植

句型示范: New trees will be planted beside the stream.

New trees 是被种植对象,will be planted 为将来时被动;beside the stream 表未来种植位置。

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