Lesson 71 A famous clock一个著名的大钟单元复习

When	you visit London,	one of the first things	you	will see	is Big Ben,	the famous clock	which can be heard all over the world on the B.B.C.
引导时间状语从句		主语A	主语B	谓语B	谓语A	先行词	定语从句
引导时间状语从句		时间状语主句^{（主主谓谓中间是从句）}				同位语^{(进一步解释说明The Big Ben)}

If the Houses of Parliament had not been burned down in 1834, the great clock would never have been erected.

burn down ^{（使）烧成平地，烧毁}

The hospital was burned down last month.

if虚拟条件句^{（假设过去）}§

从句	主句	例句
had done	would have done	If I had studied harder, I would have passed the exam.^{(如果我当时努力学习了，我就会通过考试。)}
had been done	would have been done	If the repairs had been done on time, the car would have been ready for the trip. ^{(如果修理及时完成了，汽车就会准备好进行旅行了。)}
had not been done	would never have been done	If the repairs had not been done on time, the car would never have been ready for the trip. ^{如果修理没有及时完成，汽车将永远无法准备好出行}

Big Ben takes its name from Sir Benjamin Hall who was responsible for the making of the clock when the new Houses of Parliament were being built.

take one’s name from ^以…命名

Sir 用于英国人的全名^{（或名字）}之前时表示“爵士”^{（不单独用于姓之前）}，如 Sir John Gilbert^{（约翰.吉尔伯特爵士）}或 Sir John^{（约翰爵士）}，但不能称为 Sir Gilbert。

be responsible for ^{对…需负责任/承担责任的}

Who is responsible for the accident?
John is responsible for the building of the bridge.

Big Ben takes its name from Sir Benjamin Hall	who was responsible for the making of the clock	when the new Houses of Parliament were being built.
时间状语主句	定语从句	时间状语从句
Big Ben takes its name from Sir Benjamin Hal,when the new Houses of Parliament were being built.^{(去掉定语从句后意思不完整)}

It is not only of immense size, but is extremely accurate as well.

of + n. ^{可以表属性与状语}	be of… ^{表示人或物的特征}
The color of the sky is blue.^{（天空的颜色是蓝色。）} The speed of the car was impressive.^{（车子的速度令人印象深刻。）}	We are of the same age/size. This letter is of great importance.

Officials from Greenwich Observatory have the clock checked twice a day.

have + 名词/宾语代词 + done ^{使役式表示对某物（或某人）}

The vicar has been asked to have the tree cut down, but so far he has refused.

official ^{n. 官员，公务员，高级官员}	Bank officials get high salaries. Before he retired, Jeremy had been a government/city official.
employee ^{n. 雇员，雇工（包括各个层次的）}	Later he became a government employee.
shop assistant ^{零售店的店员（美语中用 salesclerk）}	The shop assistant who served her did not like the way she was dressed.

On the B.B.C. you can hear the clock when it is actually striking because microphones are connected to the clock tower.

分解长难句 ^{从句找到后先放一边，先看主句。}

On the B.B.C.	you can hear the clock	when it is actually striking	because microphones are connected to the clock tower.
地点状语	时间状语主句	时间状语从句	原因状语从句
	原因状语主句

Big Ben has rarely gone wrong.

go wrong^{（机器等）发生故障，出毛病}

My watch/the engine of the car has gone wrong.
Something has gone wrong with my car.

Once , however, it failed to give the correct time.

give the correct time^{(给出正确的时间)报时}

During this time, they will give five performances. §

A painter who had been working on the tower hung a pot of paint on one of the hands and slowed it down!

先找从句，重点是知道从句在哪里结束^{(从句在第二个谓语动词之前结束)}
A painter	who had been working on the tower	hung a pot of paint on one of the hands	and	slowed it down!
先行词	定语从句	谓 + 宾	并列	谓 + 宾
主语		谓 + 宾	并列	谓 + 宾

slow down ^{（使…）慢下来/减速（可分开使用）}

He slowed his car down while driving in heavy traffic.

扩展知识Hang 悬、挂 / 绞死更新于:2026-03-13 10:02:35

不同词意导致的不同变化

We must all hang together, or assuredly we shall all hang separately. - Benjamin Franklin^{(一词两意)}

Hang	vi.悬、挂 (hung、hung)	I’m hanging this picture on the wall. A painter who had been working on the tower hung a pot of paint on one of the hands and slowed it down!
Hang	vt. 绞死，吊死，上吊(hanged、hanged)	The hero was hanged. As he has murdered three men, he ought to be hanged. I wonder why she hanged herself.

I hung my coat in the hall.
Murderers will not be hanged in future.

Beat around the bush ^{拐弯抹角，旁敲侧击}

Lesson 70 Red for danger

Lesson 72 A car called bluebird

Lesson 71 A famous clock一个著名的大钟单元复习

与课文关联的单词

parliament *

erect

accurate

official *

Greenwich

observatory

check *

microphone

tower

When you visit London, one of the first things you will see is Big Ben, the famous clock which can be heard all over the world on the B.B.C.

断开句子 找连接词、分析主谓

If the Houses of Parliament had not been burned down in 1834, the great clock would never have been erected.

burn down （使）烧成平地，烧毁

if虚拟条件句（假设过去）§

Big Ben takes its name from Sir Benjamin Hall who was responsible for the making of the clock when the new Houses of Parliament were being built.

take one’s name from 以…命名

be responsible for 对…需负责任/承担责任的

It is not only of immense size, but is extremely accurate as well.

Officials from Greenwich Observatory have the clock checked twice a day.

have + 名词/宾语代词 + done 使役式表示对某物（或某人）

On the B.B.C. you can hear the clock when it is actually striking because microphones are connected to the clock tower.

分解长难句 从句找到后先放一边，先看主句。

Big Ben has rarely gone wrong.

go wrong （机器等）发生故障，出毛病

Once , however, it failed to give the correct time.

give the correct time (给出正确的时间)报时

A painter who had been working on the tower hung a pot of paint on one of the hands and slowed it down!

slow down （使…）慢下来/减速（可分开使用）

不同词意导致的不同变化

Lesson 71 A famous clock

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parliament ^*

official ^*

check ^*

断开句子^{找连接词、分析主谓}

burn down ^{（使）烧成平地，烧毁}

if虚拟条件句^{（假设过去）}§

take one’s name from ^以…命名

be responsible for ^{对…需负责任/承担责任的}

have + 名词/宾语代词 + done ^{使役式表示对某物（或某人）}

分解长难句 ^{从句找到后先放一边，先看主句。}

go wrong^{（机器等）发生故障，出毛病}

give the correct time^{(给出正确的时间)报时}

slow down ^{（使…）慢下来/减速（可分开使用）}