不定式作主语演示教学
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It is stupid of you to write down everything the teacher says. It is good of you to eat sushi at noon. 你好,你傻,你诚实,你聪明,你粗心,你 懒。 强调部分是形容词表示主观的赞扬或批评。 2. It+be+形容词+of sb+to do
It is very easy for me to drive a car.
It is impossible to figure out that problem.
对某人来说是简单,容易,困难,必须,不可能的等。 强调部分是形容词表示客观的情况。
1.It+be+形容词+for sb+to do
被强调部分是形容词
很高兴能同你讲话。 It was very enjoyable to speak with you.
ຫໍສະໝຸດ Baidu
(2)用it作形式主语,把真正的主语不定式放后面,有以下 句式。如:
It‘s our duty to take good care of the old. SVO 被强调部分是名词 ①It+be+名词+to do
早饭是我吃的。 The breakfast was eaten by me.
我吃了早饭。 I have the breakfast.
吃了早饭的是我。 It is I who takes the breakfast.
吃绿色食品是健康的 To eat green food is healthy.
要健康就吃绿色食品。 It is healthy to eat green food.
那样做不是我的目的 To do like that is not my purpose.
同你讲话(我感到)很愉快。 To speak with you was very enjoyable.
你很难教. It is difficult to teach you.
我的目的不是去那样做。 It is not my purpose to do like that.
保卫祖国是我们的义务。
好好学习是我们的目标。
赚很多钱是我们的理想。
我花了三天时间(才)通关(clear all the missions)。 我花了4000元买了一部iphone。
被强调部分是形容词 SVP
It is difficult for us to finish writing the composition in a quarter of an hour.
It takes me three hours to fix the pipe. SVO(主动表被动) 花钱,花时间 ②It takes sb + some time + to do 注:spend 只能是人做主语。
③It seems(appears)+形容词+to do SVP It seemed impossible to save money.
不定式作主语是神马情况的?
(1)不定式置于句首。如: To get there by bike will take us half an hour.
你很难教. It is difficult to teach you.
我的目的不是去那样做。 It is not my purpose to do like that.
(3)练习 我做这事太容易了。(这事对我来说太容易了) It‘s easy (for me) to do that.
听到你的声音真高兴。 It's so nice to hear your voice.
当你不用车的时候,锁车是有必要的。 It's necessary for you to lock the car when you do not use it.
很高兴能同你讲话。 It was very enjoyable to speak with you.
为什么要把不定式放在后面,另外 加形式主语it放句首?
老师说:1.避免头重脚轻 2. “美观”
小胖说:1.与中文比较,两者有相似性 你想强调什么就决定了不定式的位置
区别在于: 2.英语语言的逻辑性决定 线型 3. 习惯表达
他帮助我们,他真好。 It‘s very kind/nice/good of him to help us.
我们真愚蠢,竟然相信了他。 It was silly of us to believe him.
他不给他们任何东西,这显得太自私(selfish)了。 It seemed selfish of him not to give them anything.
总结 it is+adj+for
it is+adj+of的区别
在句型③中,常用表示客观情况的形容词,如: difficult,easy,hard,important,impossible, necessary 等; 在句型④中,常用表示赞扬或批评的词。 careless,clever,good,foolish,honest,kind,lazy,nic e,right,silly,stupid,wise等 在不定式前的sb,可看作其逻辑主语。这一句式 有时相当于Sb is+形容词+to do句式 ,如:It's kind of you to help me with my English.=You are kind to helpme with my English.
小胖说英语 之
不定式作主语
10月10日
英语句子结构
基本结构 主语+谓语+宾语 S + V + O 简称 “SVO”
不定式 (to do)
例子
To be, or not to be-that is a question 生存还是毁灭
To see is to believe. 眼见为实
教你很难。 To teach you is difficult.
注意: 1) 其他系动词如,look,appear等也可用于此句 型
2) 不定式作为句子成分时,动词用单数形式。
3) 当不定式作主语的句子中又有一个不定式作表 语时,不能用It is… to…的句型
It is very easy for me to drive a car.
It is impossible to figure out that problem.
对某人来说是简单,容易,困难,必须,不可能的等。 强调部分是形容词表示客观的情况。
1.It+be+形容词+for sb+to do
被强调部分是形容词
很高兴能同你讲话。 It was very enjoyable to speak with you.
ຫໍສະໝຸດ Baidu
(2)用it作形式主语,把真正的主语不定式放后面,有以下 句式。如:
It‘s our duty to take good care of the old. SVO 被强调部分是名词 ①It+be+名词+to do
早饭是我吃的。 The breakfast was eaten by me.
我吃了早饭。 I have the breakfast.
吃了早饭的是我。 It is I who takes the breakfast.
吃绿色食品是健康的 To eat green food is healthy.
要健康就吃绿色食品。 It is healthy to eat green food.
那样做不是我的目的 To do like that is not my purpose.
同你讲话(我感到)很愉快。 To speak with you was very enjoyable.
你很难教. It is difficult to teach you.
我的目的不是去那样做。 It is not my purpose to do like that.
保卫祖国是我们的义务。
好好学习是我们的目标。
赚很多钱是我们的理想。
我花了三天时间(才)通关(clear all the missions)。 我花了4000元买了一部iphone。
被强调部分是形容词 SVP
It is difficult for us to finish writing the composition in a quarter of an hour.
It takes me three hours to fix the pipe. SVO(主动表被动) 花钱,花时间 ②It takes sb + some time + to do 注:spend 只能是人做主语。
③It seems(appears)+形容词+to do SVP It seemed impossible to save money.
不定式作主语是神马情况的?
(1)不定式置于句首。如: To get there by bike will take us half an hour.
你很难教. It is difficult to teach you.
我的目的不是去那样做。 It is not my purpose to do like that.
(3)练习 我做这事太容易了。(这事对我来说太容易了) It‘s easy (for me) to do that.
听到你的声音真高兴。 It's so nice to hear your voice.
当你不用车的时候,锁车是有必要的。 It's necessary for you to lock the car when you do not use it.
很高兴能同你讲话。 It was very enjoyable to speak with you.
为什么要把不定式放在后面,另外 加形式主语it放句首?
老师说:1.避免头重脚轻 2. “美观”
小胖说:1.与中文比较,两者有相似性 你想强调什么就决定了不定式的位置
区别在于: 2.英语语言的逻辑性决定 线型 3. 习惯表达
他帮助我们,他真好。 It‘s very kind/nice/good of him to help us.
我们真愚蠢,竟然相信了他。 It was silly of us to believe him.
他不给他们任何东西,这显得太自私(selfish)了。 It seemed selfish of him not to give them anything.
总结 it is+adj+for
it is+adj+of的区别
在句型③中,常用表示客观情况的形容词,如: difficult,easy,hard,important,impossible, necessary 等; 在句型④中,常用表示赞扬或批评的词。 careless,clever,good,foolish,honest,kind,lazy,nic e,right,silly,stupid,wise等 在不定式前的sb,可看作其逻辑主语。这一句式 有时相当于Sb is+形容词+to do句式 ,如:It's kind of you to help me with my English.=You are kind to helpme with my English.
小胖说英语 之
不定式作主语
10月10日
英语句子结构
基本结构 主语+谓语+宾语 S + V + O 简称 “SVO”
不定式 (to do)
例子
To be, or not to be-that is a question 生存还是毁灭
To see is to believe. 眼见为实
教你很难。 To teach you is difficult.
注意: 1) 其他系动词如,look,appear等也可用于此句 型
2) 不定式作为句子成分时,动词用单数形式。
3) 当不定式作主语的句子中又有一个不定式作表 语时,不能用It is… to…的句型