Lesson 43 Over the South Pole飞越南极主语从句 can Be able to

First-time ^{adj.初次的，第一次的}	First-time can also function as an adjective, to mean a person who is doing something for the first time.
the first time ^第一次	The first time is a specific time, hence the definite article. “~~A first time*~~” would imply that there are many first times.
first time ^第一次	It is also possible to say my first time, although that is mostly done when there is no verb.

（time 表示“次，回”，还可以说 this time，last time，next time，another time， each time，for the last time 等）

I remind you for the last time that if you don’t hurry, you’ll miss the train.
Give him these photos next time you see him.

the North Pole ^北极	the South Pole ^南极
The North Pole has no land, only thick ice. ^{北极没有陆地，只有厚厚的冰层。}	Five members of Scott's expedition made it to the South Pole. ^{斯科特率领的探险队的五名成员一直来到了南极。}

* Though, at first, Byrd and his men were able to take a great many photographs of the mountains that lay below, they soon ran into serious trouble.

though^{conj.虽然…，尽管… (引导让步状语从句)}

Although/Though/Even though I felt sorry for him ,I was secretly pleased that he was having difficulties.^{虽然我为他感到惋惜，但对他的困难我却暗自高兴。}

take a photograph of…^{拍…的照片}	take a video ^拍摄视频	make a film ^拍电影
He took a photograph of his house before he left home. ^{他离家前给他的房子拍了一张照片。}	Take out your camcorder and make a video. Share it with your friends. ^{拿出你的录像机，拍一段录像，与你的朋友一起分享。}	Edward starts to make a film. ^{爱德华开始拍一部电影。}

run into trouble = get into trouble ^{遇到麻烦，陷入困境}

Each time he ran into trouble, he asked his parents for help.

can/could ^{只有2个时态}	be able to ^{可变换多时态}
能力，“能够”^{（做某事）}
could ^{只能表达过去有能力做}	was/were able to ^{有能力做并成功做到了}
can ^{可以表推测，允许}	be able to ^{主要配合多时态的使用}

* At one point, it seemed certain that their plane would crash.

at one point ^{在某一地方，在某一时刻（point 也指时间上的某一点）}

At one point, he made up his mind to become a painter.^{他曾一度下决心要当个画家。}

先行主语	谓	关系词	主语从句
it ^{与 seem，appear，look 等连用}	seemed certain	that ^不可省略	their plane would crash.
it ^{与 seem，appear，look 等连用}	now looks certain	that ^不可省略	the meeting is going to be put off.^{现在似乎可以肯定会议将被推迟。}

主语从句 ^{it 做为形式主语只是用于占位置，真正的主语是由 that 引出的主语从句。}

含义：一个句子做主语。

位置：句首、句尾(加分、防止头重脚轻)。

写法：同宾语从句^{that 不做成分也不能省略，只用whether不使用if来表达是否。}

常规表达^{（不推荐）}	主语从句 §
Their plane would crash seemed certain.	It seemed certain that their plane would crash.
You can't go with us is a pity.^{（主语长导致头重）}	It is a pity that you can't go with us.^{(it 做为形式主语让头变轻)}
They will arrive here on time is uncertain.	It is uncertain Whether they will arrive here on time.^{不能使用if来表示是否}

It could only get over the mountains if it rose to 10,000 feet. ^{could get over 能够越过(克服)}

The plane was then able to rise and it cleared the mountains by 400 feet.

by ^{表示“相差，以…之差”的意思}

I missed the train by ten minutes. ^{我晚了 10 分钟，没赶上火车。}
He is younger than me by two years. ^{他比我小两岁。}
She is sitting by the table. ^表示位置
He sent the message by email. ^{表示手段或方式}
I will finish my work by 5pm. ^表示时间
She is a teacher by profession. ^{表示身份或职业}
I swear by my honor. ^{表示借助、依靠}
The soup is sold by the liter. ^{表示数量或比例}

Byrd now knew that he would be able to reach the South Pole which was 300 miles away, for there were no more mountains in sight.^{通过3个连接句讲了4件事。}

第一件事	引导词	第二件事	关系词	第三件事	并列连词	第四件事
Byrd now knew	that	he would be able to reach the South Pole	which	was 300 miles away,	for	there were no more mountains in sight.

语法知识Can & Be able to 更新于:2024-02-16 02:53:54

can/could ^情态动词	Can/Could I borrow you pen?^{表示请求别人允许或答复时的情况}
can/could^表推测	I can have lunch with your tomorrow if you like.^{可以表示可能性}
can/could ^{天生的或学到的能力}	I could drive a car by the time I was sixteen.^过去时 I tried again and found I could/was able to swim.^过去时 Can Jane swim yet?^现在时 No, but she’ll be able to swim in a few months’ time. ^{表示将来的“能力”时，则用 will be able to}
正在发生的事时	Look! I can stand on my head.
表示成功地完成某一具体动作时	It’s pity he couldn’t visit Mary. ^{如果表示某一动作没有取得成功，则可用 couldn’t} Oh, didn’t you know? He was able to visit her after all. ^{通常不用 could，而用 be able to} He was able to leave Europe before the war began. ^{他在战争开始之前得以离开欧洲。} He was able to go to London yesterday and he enjoyed himself very much.
过去某一具体活动时	Could he borrow a car? ^{可用 could} Yes, he was able to borrow a car after all./No, he couldn’t.^{但回答是肯定的时候则不能}

单词句型含有介词 at 的词组更新于:2024-02-04 12:00:19

表示时间	at first^{（开始时，最初）}	At first Byrd and his men were able to take a great many photographs.
	at once^{（马上，立刻）}	Byrd at once ordered his men to throw out two heavy food sack.
	at present^{（目前，现在）}	At any rate, I’m determined to stay here at present.
	at last^{（最后，终于）}	After walking for several hours, we arrived at the village at last.
	at times^{（有时、偶尔）}	He behaves very strange at times.
	at the moment^（现在）	At the moment, he's in Madrid.
表示地点	at home^（在家）	Billy is not at home at present.
表示地点	at school^{（在学校）}	He's at school.
表示程度	at least^（至少）	At least, I’m not mad yet.
表示程度	at any rate^{（不管怎样）}	It's a pity you can't come to the concert. At any rate you' Il be able to hear it on the radio.
其它	at heart^{（内心里，实际上）}	Though he tried to made conversation with the lady, he wasn’t interested in her at heart.
其它	at a loss^{（困惑不解，不知怎么办）}	Why? I’m at a loss.I don't know what I can do about it. I' m completely at a loss.

Rain on someone’s parade ^{泼冷水；扫兴}

共有3题需要完成

练习题

It could only get over the mountains if it rose to 10,000 feet. This means it over the mountains.^（单选）

A、would succeed in getting
B、got
C、was able to get
D、had got
The plane was then able to rise. This means it .^（单选）

A、could rise
B、might rise
C、might succeed in rising
D、rose
Byrd knew that he would be able to reach the South Pole. It would be .^（单选）

A、impossible
B、necessary
C、able
D、possible

Lesson 42 Not very musical

Lesson 44 Through the forest

Lesson 43 Over the South Pole飞越南极主语从句 can Be able to

与课文关联的单词

pole

flight *

explorer

lie *

serious *

point *

seem *

crash *

sack

clear *

aircraft *

endless

plain

In 1929, three years after his flight over the North Pole, the American explorer, R.E. Byrd, successfully flew over the South Pole for the first time.

* Though, at first, Byrd and his men were able to take a great many photographs of the mountains that lay below, they soon ran into serious trouble.

though conj.虽然…，尽管… (引导让步状语从句)

run into trouble = get into trouble 遇到麻烦，陷入困境

* At one point, it seemed certain that their plane would crash.

at one point 在某一地方，在某一时刻（point 也指时间上的某一点）

主语从句 it 做为形式主语只是用于占位置，真正的主语是由 that 引出的主语从句。

It could only get over the mountains if it rose to 10,000 feet. could get over 能够越过(克服)

The plane was then able to rise and it cleared the mountains by 400 feet.

by 表示“相差，以…之差”的意思

Byrd now knew that he would be able to reach the South Pole which was 300 miles away, for there were no more mountains in sight.通过3个连接句讲了4件事。

练习题

It could only get over the mountains if it rose to 10,000 feet. This means it over the mountains.（单选）

The plane was then able to rise. This means it .（单选）

Byrd knew that he would be able to reach the South Pole. It would be .（单选）

Lesson 43 Over the South Pole

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flight ^*

lie ^*

serious ^*

point ^*

seem ^*

crash ^*

clear ^*

aircraft ^*

though^{conj.虽然…，尽管… (引导让步状语从句)}

run into trouble = get into trouble ^{遇到麻烦，陷入困境}

at one point ^{在某一地方，在某一时刻（point 也指时间上的某一点）}

主语从句 ^{it 做为形式主语只是用于占位置，真正的主语是由 that 引出的主语从句。}

It could only get over the mountains if it rose to 10,000 feet. ^{could get over 能够越过(克服)}

by ^{表示“相差，以…之差”的意思}

Byrd now knew that he would be able to reach the South Pole which was 300 miles away, for there were no more mountains in sight.^{通过3个连接句讲了4件事。}

It could only get over the mountains if it rose to 10,000 feet. This means it over the mountains.^（单选）

The plane was then able to rise. This means it .^（单选）

Byrd knew that he would be able to reach the South Pole. It would be .^（单选）