主语从句公开课课件
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W__h__e_t_h_er the work can be completed on time is doubtful.
It’s doubtful w__h_e__th__er /if the work can be completed on time.
Wh –类连接副词或连接代词引导的主
• 语从句可放于句首，也可放句尾。
3) 连接副词 when, where, why, how, whenever, wherever, however等。它们在句中充当状语，不 能省略。此类主语从句也可以用带有形式主语it 的句子转换。
How this happened is not clear to anyone.
When he will be back depends on the weather.
1.What you left a_r_e only several old books.
2.What you said i_s of great importance.
3.Whether he’ll come here i-s not clear.
if /whether 引导的主语从句
表示 “是否”意义时whether 引导的主语 从句可以放于句首、句末，if引导的主语从 句不能位于句首；但如果有形式主语it引导 时，两者都可用。
What she did is not yet known.
Who will write the poem has not been decided yet. Whatever he did is right. Whoever breaks the rule should be punished. Who will go makes no difference. Whom she loves is clear enough . 她爱的是谁已经够清楚了。 Whose wallet was stolen must be made clear.谁的 钱包被偷了必须被搞清楚。
it’s necessary /important / strange /natural/+that sb. should do sth
It is a pity ( a shame, no wonder, etc.) that 。。。 It is suggested (requested, proposed提议，
How the pyramids were built is still a mystery.
主语从句后置!
为了避免主语冗长,句子头重脚轻,经常用it作形式 主语,主语从句放在后面作真正的主语.
例:
That we shall be late is certain. -- It’s certain that we shall be late.
3. When flood stuck the western areas wasn’t reported.
It wasn’t reported when flood stuck the western areas.
4. Whether he can come or not depends on his parents.
It isn’t known yet whether Class five can defeat (战胜) Class Four.
4. 主语从句需注意的问题 注 意：
1.“if” 不能引导主语从句，应有“whether”引导。 2.主语从句中用陈述语序 3.主语从句的 “that” 一般不能省。 4.“what”引导主语从句时，谓语动词： 1）常与其后的名词作表语一致 2）根据句子的语 境而定。
He believes whatever his wife says. ( whatever= anything that 名词性从句) He believes his wife whatever she says. (whatever= no matter what 让步状语从句) Whoever breaks the school rules should be
called.
E. It+doesn’t matter (makes no difference, et c.)+连接代词或连接副词引起的主语从句。如：
It doesn’t matter whether she will come or not. 注：在主语从句中用来表示 “惊奇，不相信，惋惜，
理应如此， 要求，建议”等语气时，谓语动词用 “should+ do”
1. That the earth goes around the sun is known to us all.
It is known to us all that the earth goes around the sun.
2. That he knows nothing about it is strange. It is strange that he knows nothing about it.
中 发 现 了 你 ，来到 你的身 边。只 想轻轻 的告诉 你：清 明到了 ，注意 保重身 体！ 6、 清 明 节 气 生活小 贴士： 1、饮 食以辛 润食物 为宜， 滋润食 物为辅 ，补气 通气， 如 芹 菜 、 葱 、银耳 、蜂蜜 等;2、 饮食忌 食早产 蔬菜， 多食寒 凉，对 阳气少 的脾胃 有 害 无 益 ;3、 起居 以早起 为宜， 多按摩 敲打舒 散筋骨 ;4、心 情以开 怀舒畅 为宜，
1. That the earth is round is known to all.
-- It’s known to all that the earth is round. 2. That you missed the chance is a pity.
-- It is a pity that you missed the chance.
避 免 烦 躁 ;5、 运动 以轻慢 为宜， 勿大汗 淋漓。 祝你健 康！ 7、 清 风
Subject Clauses 主语从句
主语从句
在复合句中作主句的主语.
1． 引导主语从句的连接词有三类：
(1) 连词that、whether :(从属连词）在从句中不作 任何成分
Whether we go by train or by boat makes no difference. Whether he’ll come here isn’t clear. That price will go up is certain.
•___W___h__e_ther the work can be completed on time is doubtful.
(2) 连接代词what, who, whom, whose, which, whoever, whatever, whichever等. 连接代词在从句中充当主语，宾语, 表语或定语，不 能省略。
人教新课标必修三
Unit 4
Discovering useful structures
贵州省思南中学 许义怀 编辑
清 明 节 短 信祈 福 1、 工 作 节 奏太 快，生 活实在 太累， 转眼春季到来，外面 阳 光 明 媚 ， 约上好 友相约 郊外， 踏踏青 挖挖野 菜，马 上出发 ，别再 等待， 祝你清 明 小 长 假 过 得愉快 ！ 2、 怀 念 你 的好 ，怀念 你的笑 ，怀念 你的拥抱和那身上淡 淡 的 味 道 。 朋友， 清明节 来到， 愿我们 诚信缅 怀逝去 的先人 ，继续 更加勇 敢地生 活 ！ 3、 清 明 至 ，祭先 祖。携 家人， 去扫墓 。缅怀 意，深 情诉。人生路，莫停
When the new road is open to traffic has not been made clear.
It has not been made clear when the new road is open to traffic.
wh-ever 引导的让步状语从句及名词性从句 比较下列句子：
strange，etc.)+that从句。如：
It is certain that she will do well in her exam. B. It +系动词+名词词组+that从句 (no wonder, no wonder,an honour, a good thing, a pity, no surprise, a shame, good news, a fact ,etc.)+that从句。
It +特殊不及物动词+that从句 It+（seems/-ed, appears/-ed, happens/-ed, ）+that
__It_s_e_e_m_s_t_hat you are against (反对) the plan. 你似乎反对这个计划。
It happened to me that I had been away when you
步 。 勤 梳 理 ，多回 顾。平 常心， 把握住 。柳色 新，春 莫负。 多保重 ，情如 故。 4、 我 的 短 信 跨过千 山万山 ，度过 严冬与 酷暑， 经历过 冰火考 验，终于在千万人之
中 发 现 了 你 ，来到 你的身 边。只 想轻轻 的告诉 你：清 明到了 ，注意 保重身 体！ 5、 我 的 短 信 跨过千 山万山 ，度过 严冬与 酷暑， 经历过 冰火考 验，终于在千万人之
desired请求 ) that sb. should do sth. 学生上课认真听讲是很重要的。
It is important that the students s_h_o_u_ld listen carefully in class.
主语从句是英语写作中经常使用的句型，它常常借助 于形式主语it， 请用it 改写以下句子：
2. 用it 作形式主语的结构 A. It+系动词+形容词
(obvious, true, natural, surprising, good, wonderful,
funny, possible, likely, unlikely, certain, probable, necessary, right, wrong, important, certain, clear,
• W___h__e__t_h_er we can go to picnic tomorrow is still a question.
•___T__h__a__t the wounded soldier is still alive is a wonder.
•___T__h__a__t Mr. Zhou will come is certain.
It depends on his parents whether he can come or not.
5. That he didn’t attend the meeting surprised us.
It surprised us that the he didn’t attend the meeting. 6. Whether Class five can defeat (战胜) Class Four isn’t known yet.
Βιβλιοθήκη Baidu如：
It’s no wonder that you have achieved so much success. 真可惜你没出席昨天的讲座。
I_t’_s_a_p_i_ty__th_at you didn’t attend the lecture yesterday
C. It+be+过去分词 (said, told, reported, thought, expected, decided, announced, arranged, heard, suggested，etc.)+that从句。 翻译成：据…(说/报道/认为/预测/决定/通知/安排/听 说/建议 ） 如： It is said that Mr. Green has arrived in Beijing.
It’s doubtful w__h_e__th__er /if the work can be completed on time.
Wh –类连接副词或连接代词引导的主
• 语从句可放于句首，也可放句尾。
3) 连接副词 when, where, why, how, whenever, wherever, however等。它们在句中充当状语，不 能省略。此类主语从句也可以用带有形式主语it 的句子转换。
How this happened is not clear to anyone.
When he will be back depends on the weather.
1.What you left a_r_e only several old books.
2.What you said i_s of great importance.
3.Whether he’ll come here i-s not clear.
if /whether 引导的主语从句
表示 “是否”意义时whether 引导的主语 从句可以放于句首、句末，if引导的主语从 句不能位于句首；但如果有形式主语it引导 时，两者都可用。
What she did is not yet known.
Who will write the poem has not been decided yet. Whatever he did is right. Whoever breaks the rule should be punished. Who will go makes no difference. Whom she loves is clear enough . 她爱的是谁已经够清楚了。 Whose wallet was stolen must be made clear.谁的 钱包被偷了必须被搞清楚。
it’s necessary /important / strange /natural/+that sb. should do sth
It is a pity ( a shame, no wonder, etc.) that 。。。 It is suggested (requested, proposed提议，
How the pyramids were built is still a mystery.
主语从句后置!
为了避免主语冗长,句子头重脚轻,经常用it作形式 主语,主语从句放在后面作真正的主语.
例:
That we shall be late is certain. -- It’s certain that we shall be late.
3. When flood stuck the western areas wasn’t reported.
It wasn’t reported when flood stuck the western areas.
4. Whether he can come or not depends on his parents.
It isn’t known yet whether Class five can defeat (战胜) Class Four.
4. 主语从句需注意的问题 注 意：
1.“if” 不能引导主语从句，应有“whether”引导。 2.主语从句中用陈述语序 3.主语从句的 “that” 一般不能省。 4.“what”引导主语从句时，谓语动词： 1）常与其后的名词作表语一致 2）根据句子的语 境而定。
He believes whatever his wife says. ( whatever= anything that 名词性从句) He believes his wife whatever she says. (whatever= no matter what 让步状语从句) Whoever breaks the school rules should be
called.
E. It+doesn’t matter (makes no difference, et c.)+连接代词或连接副词引起的主语从句。如：
It doesn’t matter whether she will come or not. 注：在主语从句中用来表示 “惊奇，不相信，惋惜，
理应如此， 要求，建议”等语气时，谓语动词用 “should+ do”
1. That the earth goes around the sun is known to us all.
It is known to us all that the earth goes around the sun.
2. That he knows nothing about it is strange. It is strange that he knows nothing about it.
中 发 现 了 你 ，来到 你的身 边。只 想轻轻 的告诉 你：清 明到了 ，注意 保重身 体！ 6、 清 明 节 气 生活小 贴士： 1、饮 食以辛 润食物 为宜， 滋润食 物为辅 ，补气 通气， 如 芹 菜 、 葱 、银耳 、蜂蜜 等;2、 饮食忌 食早产 蔬菜， 多食寒 凉，对 阳气少 的脾胃 有 害 无 益 ;3、 起居 以早起 为宜， 多按摩 敲打舒 散筋骨 ;4、心 情以开 怀舒畅 为宜，
1. That the earth is round is known to all.
-- It’s known to all that the earth is round. 2. That you missed the chance is a pity.
-- It is a pity that you missed the chance.
避 免 烦 躁 ;5、 运动 以轻慢 为宜， 勿大汗 淋漓。 祝你健 康！ 7、 清 风
Subject Clauses 主语从句
主语从句
在复合句中作主句的主语.
1． 引导主语从句的连接词有三类：
(1) 连词that、whether :(从属连词）在从句中不作 任何成分
Whether we go by train or by boat makes no difference. Whether he’ll come here isn’t clear. That price will go up is certain.
•___W___h__e_ther the work can be completed on time is doubtful.
(2) 连接代词what, who, whom, whose, which, whoever, whatever, whichever等. 连接代词在从句中充当主语，宾语, 表语或定语，不 能省略。
人教新课标必修三
Unit 4
Discovering useful structures
贵州省思南中学 许义怀 编辑
清 明 节 短 信祈 福 1、 工 作 节 奏太 快，生 活实在 太累， 转眼春季到来，外面 阳 光 明 媚 ， 约上好 友相约 郊外， 踏踏青 挖挖野 菜，马 上出发 ，别再 等待， 祝你清 明 小 长 假 过 得愉快 ！ 2、 怀 念 你 的好 ，怀念 你的笑 ，怀念 你的拥抱和那身上淡 淡 的 味 道 。 朋友， 清明节 来到， 愿我们 诚信缅 怀逝去 的先人 ，继续 更加勇 敢地生 活 ！ 3、 清 明 至 ，祭先 祖。携 家人， 去扫墓 。缅怀 意，深 情诉。人生路，莫停
When the new road is open to traffic has not been made clear.
It has not been made clear when the new road is open to traffic.
wh-ever 引导的让步状语从句及名词性从句 比较下列句子：
strange，etc.)+that从句。如：
It is certain that she will do well in her exam. B. It +系动词+名词词组+that从句 (no wonder, no wonder,an honour, a good thing, a pity, no surprise, a shame, good news, a fact ,etc.)+that从句。
It +特殊不及物动词+that从句 It+（seems/-ed, appears/-ed, happens/-ed, ）+that
__It_s_e_e_m_s_t_hat you are against (反对) the plan. 你似乎反对这个计划。
It happened to me that I had been away when you
步 。 勤 梳 理 ，多回 顾。平 常心， 把握住 。柳色 新，春 莫负。 多保重 ，情如 故。 4、 我 的 短 信 跨过千 山万山 ，度过 严冬与 酷暑， 经历过 冰火考 验，终于在千万人之
中 发 现 了 你 ，来到 你的身 边。只 想轻轻 的告诉 你：清 明到了 ，注意 保重身 体！ 5、 我 的 短 信 跨过千 山万山 ，度过 严冬与 酷暑， 经历过 冰火考 验，终于在千万人之
desired请求 ) that sb. should do sth. 学生上课认真听讲是很重要的。
It is important that the students s_h_o_u_ld listen carefully in class.
主语从句是英语写作中经常使用的句型，它常常借助 于形式主语it， 请用it 改写以下句子：
2. 用it 作形式主语的结构 A. It+系动词+形容词
(obvious, true, natural, surprising, good, wonderful,
funny, possible, likely, unlikely, certain, probable, necessary, right, wrong, important, certain, clear,
• W___h__e__t_h_er we can go to picnic tomorrow is still a question.
•___T__h__a__t the wounded soldier is still alive is a wonder.
•___T__h__a__t Mr. Zhou will come is certain.
It depends on his parents whether he can come or not.
5. That he didn’t attend the meeting surprised us.
It surprised us that the he didn’t attend the meeting. 6. Whether Class five can defeat (战胜) Class Four isn’t known yet.
Βιβλιοθήκη Baidu如：
It’s no wonder that you have achieved so much success. 真可惜你没出席昨天的讲座。
I_t’_s_a_p_i_ty__th_at you didn’t attend the lecture yesterday
C. It+be+过去分词 (said, told, reported, thought, expected, decided, announced, arranged, heard, suggested，etc.)+that从句。 翻译成：据…(说/报道/认为/预测/决定/通知/安排/听 说/建议 ） 如： It is said that Mr. Green has arrived in Beijing.