该句用了倒装语序：介词短语 + 不及物动词（exsit）+ 主语 （属于完全倒装）
倒装的主要原因是主语太长了：the network of cable required to satisfy needs of inhabitants，其中required to satisfy needs of inhabitants，作定语修饰the network of cable ，相当于定语从句：which is required to satisfy needs of inhabitants
讲解
表示地点和方位：介词短语＋be/exist/stand/sit/lie/stay/come/go＋主语
In the front of the stage stood a famous singer 台前站着一位明歌星。
On the ground lay a sick goat 地上躺着一头生病的山羊。
From the distance came a policeman 远处来了一个警察。
Down the hill fell a big stone 一块大石头沿着山坡滚下来。
特别提醒
1 几乎所有表示地点或方位的介词短语，都可以置于句首，后面的不及物动词表示“静态”(前两句)或“动态”(后两句)都可以。
2 以上所有句子，一般不用进行时态。即便是进行的动作，我们也要使用一般时态表示。
（刘老师 解答）英语单词发音规则
一、元音字母在重读音节中的读音
元音字母 读 音 例 词
a 在开音节中 [ei] name plane Jane baby cake
在闭音节中 [] bag dad hat map black back
e 在开音节中 [i:] he these me Chinese
在闭音节中 [e] bed let pen desk yes egg
i 在开音节中 [ai] bike fly drive time nice kite
在闭音节中 fish big drink sit milk swim
o 在开音节中 [ou] those close go hoe home no
在闭音节中 [C] clock not box shop sock
u 在开音节中 [ju:] student excuse duty Tuesday
在闭音节中 [∧] bus cup jump much lunch
在开音节中，元音字母u在辅音字母j l r s后面时读[u:]音，例如：June blue ruler super
二、元音字母在重读音节中的特殊读音
元音字母 读 音 例 词
a在[w]音后面 [C] want what watch wash quality
a在f n sk ph sp ss st th前 [α:] after plant graph ask grasp glass fast father
i在-nd -ld和gh前 [ai] find child light high
o在-st -ld前 [ou] most postcard old cold
o在m n v th前 [∧] come monkey love mother
三、元音字母在非重读音节中的读音
元音字母 读 音 例 词
a [E]E China another woman breakfast
orange comrade village cabbage
e [E] hundred student open weekend
chicken pocket begin children
i [E]/ holiday beautiful family animal
[ai] exercise satellite
o [E] second tonight somebody welcome
[Eu] also zero photo
u [E] autumn difficult
[ju:] popular congratulation January
动词中的a如果处在开音节位置，a读[ei]音，例如：operate
u处在开音节位置，又在辅音字母j l r s后面时，读[u(:)]音，例如：July influence February issue
在非重读音节中，许多单词中的元音字母a e i 即可以读作[E]音，也可以读作音。
四、-r音节元音字组在重读音节中的读音
元音字组 读 音 例 词
arar在[w]音后面 [α:] car farm dark sharpener
[C:] warm quarter towards
oror在[w]音后面 [C:] forty morning short
[E:] word worker worse
er ir ur [E:] certainly bird Thursday
辅音字母r双写时，前面的元音字母不能与r构成-r音节,而是按重读闭音节的拼读规则发音。例如： carry sorry hurry
-r音节在非重读音节中通常读[E]音，例如：dollar teacher martyr forget Saturday
五、-re音节元音字组在重读音节中的读音
元音字组 读 音 例 词
are [εE] care dare hare
ere [iE] here mere
ire [aiE] fire hire wire
ore [C:] more score before
ure [juE] pure cure
are ere ire ore很少出现在非重读音节中，ure在非重读音节中读[E]音，例如：picture pleasure
重读元音字母加Rr，再加非重读元字组时，重读元音字母应按-re音节拼读规则拼读，字母Rr读[r]音。例如：parent zero story during inspiring
某些常用词及多音节词经常出现长音短化现象。例如：orange very American paragraph
六、元音字组在重读音节中的读音
元音字组 读 音 例 词
ai/ay [ei] afraid rain wait day play
air [εE] air hair chair pair repair
alal在f m前 [C] small ball talk wall all
[C:l] always also salt almost
[α:] half calm
au/aw [C:] autumn daughter draw
ea [i:] teach easy cheap please
[e] heavy bread sweater weather
[ei] break great
ear [iE] hear dear near clear year
[εE] bear pear wear swear
[E:] earth learn early
ee [i:] jeep week green three
eer [iE] pioneer deer beer
ei/ey [ei] eight neighbour they
[i:] either key
eu/ew在j l r s后 [ju:] new few newspaper
[u:] flew brew jewelry
ie/ei[s]音之后 [i:] piece field receive
oa [ou] coat Joan boat goal
oar/oor [C:] roar board door floor
oi/oy [Ci] noise point boy toilet
oo [u:] broom food tooth school
book look cook foot good
ou/ow [au] flower house count down
[ou] know row throw though
[∧] young country enough
[u:] group you soup
our [C:] course your four
[auE] our hour ours
[E:] journey
ui在j l r s后 [ju:i] fluid suicide tuition
[u:] juice fruit suit
七、非重读音节中元音字组和字群的读音
元音字组或字群 读 音 例 词
ai/ay ei/ey Sunday foreign monkey
ow [ou] yellow sparrow tomorrow
元音字组在非重读音节中读[E]音或。例如:neighbour serious famous biscuit coffee
-sion -tion [Fn] impression nation
-sion在元音字母后 [Vn] vision decision occasion
-tion在s后 [tFEn] question suggestion
-sten [sn] listen
-stle [sl] whistle
-sure [VE] pleasure measure
-ture [tFE] picture culture
八、元字组在复合词非重读音节中的读音
复合词中的第二部分不标注重音符号，但其中的元音字母或元音字组仍按重读音节拼读规则拼读。例如： everyday[ei] handbag[] blackboard[C:]
有些词随着语言的发展，前后两部分已失去其单独存在的意义，融合成为一个词。其中的非重读部分要按非重读音节的读音规则发音。例如： sun太阳 + day[ei]日子 ＞ Sunday 星期天 holy神圣 + day[ei]日子 ＞ holiday 假日 break中断 + fast[α:]斋戒 ＞ breakfast[E] 早餐 cup茶杯 + board木板[C:] ＞ cupboard[E] 碗柜
九、辅字组的读音
辅字组 读 音 例 词
b bike bus bag
[/] bomb tomb
cc在e前或在i/y前 [k] cake picture coat music
[s] face decide cinema
ch [tF] much chick rich teacher
[k] school headache chemistry
[F] machine
-ck [k] cock pocket black knock
d [d] doctor bread hand day
-dge [dV] bridge fridge
dr- [dr] children driver drink
f [f] five four breakfast
gg在e i/y前 [^] bag garden go
[dV] orange large German
gh [f] cough enough
[/] light daughter high
gu- -guegu在非重读音节中 [^] guess league dialogue
[^w] language anguish
h [h] hot head house hand
[/] hour honest
j [dV] jeep jar joke join July
k [k] kind bike skate make week
kn- [n] knife know knock
l [l] life milk school tall
m [m] monkey come autumn
-mn [m] autumn column solemn
nn在[k] [g]音前 [n] not shine ten note
[N] uncle thank hungry
-ng [N] morning young wrong
p [p] paper plane pig ship pen
ph [f] elephant photo telephone
q [k] Iraq
qu- [kw] quality quite
r [r] red rubber ruler
s在词首或清辅音前元音字母间或浊辅音前 [s] sit sleep desk
[z] music husband
sc- [sk] scarlet
[s] muscle science
sh [F] she fish shirt wash
t在通常情况下在弱读字母ia ie io前 [t] ten letter meet
[F] patient nation
tch [tF] watch
th在通常情况下在冠词 代词 介词 连词中在词尾-the -ther中 [θ] thin thirty method
[T] the these with than
[T] clothe fathe r weather
tr- [tr] tree train country truck
v [v] very voice love leave
w [w] week win wake sweet wait
[/] Answer two
wh-wh-在字母o前 [w] what when white why
[h] who whose whole
x在重读元音前 [ks] box text exercise
[gz] example exist exact
wr- [r] write
y- [j] yes yard yellow young
z [z] puzzle zero zoo1 there be结构的主谓一致
在英语里表示什么地方或时间存在什么事情就用此结构，句子的结尾往往带有地点状语或时间状语。其中there是引导词，本身没有词意，be是谓语动词，be后面的名词是主语。be的数与后面的名词一致，若be后是两个或多个并列的名词，be则与靠得最近的那个名词的数一致。如：
There was a meeting yesterday 昨天有个会议。
There is a pen, two books and many pencils on the desk 桌上有一支钢笔、两本书和好些铅笔。
比较：There are two books, a pen and many pencils on the desk
2 there be与have的比较
(1) 用法不同：there be 表示某个时间或地方“存在”某人或某物，而have表示主语“拥有”某人或某物，作宾语的某人或某物属主语所有。
(2) 结构不同：there be + sb/sth +时间/地点(副词或介词短语)；sb/sth + have +sb/sth else
There are some children in the garden花园里有几个孩子。
She has three cars 她拥有三辆汽车。(汽车是属于她的)
注：若是部分与整体关系时，有时用两种表达方式都可以。如：
A week has seven days =There are seven days in a week 一周有七天。
3 there be的否定和疑问
(1) 否定式：be后面加not(any)或no。如：
There are not any boats on the river 河上没有船。
(2) 疑问句：是把be移到there的前面来。如：
Are there any boat on the river 河上有船吗？
Yes, there are(No, there are not) 有。（没有。）
注：若有别的助动词时就不一样了，请看：
There won’t be a football match tomorrow, will there 明天没有足球赛，对吗？
There usedn’t to be a tall tree here, used/didn’t ther 以前这里有棵高树，是不是？
There seems to be something wrong with you, doesn’t there 你好像有些不舒服，对吗？
There happened to be a well there, didn’t there 那里碰巧有口井，是不是？
4 there be结构的时态
there be结构有不同的时态，而且可以和各种助动词或情态动词连用。如：
There was a sport meeting in the playground yesterday 昨天运动场举行了一场运动会。
There will be (=There is going to be) a new film show on Monday 星期一将有一场新**放。
There is to be a concert at the school hall 学校礼堂有场音乐会。
There have been a lot of accidents round here 这里已经发生多起事故了。
He told me that there had been an argument between them 他告诉我们之间发生了一场争论。
There will have been a definite result by Friday 到星期五前就已经有明确的结果了。
There must be a mistake somewhere 一定在什么地方有错误。
There must have been a rain last night, for the ground is wet 昨晚一定下了雨，因为地是湿的。
5 there be结构的变体
该结构中，有时be还可以被live, exist, lie, stand, seem, rise, remain, happen, come, go等动词代替。如：
Once there lived an old fisherman in a village by the sea 从前，在海边的一个村子里住着一个老人。
There remained just twenty-eight pounds 只剩二十八英镑了。
There seems little doubt that he is insane 似乎没有多少疑问他的神经不正常。
6 there be的非限定形式
there be的非限定形式是there to be和there being，主要用来做介词或动词的宾语、主语或状语。如：
Have you ever thought of there being so many interesting films for you to choose from没想到过有这么多有趣的**供你选择吧？
John was relying on there being another opportunity 约翰相信另有机会。
There being a bus stop so near my house is a great advantage 有公交车停在离我房子这么近的地方是很大的优势。
There having been no rain, the ground was dry 由于没有下雨，地上很干燥。
It’s unusual for there to be so few people in the street (=It’s unusual that there are so few people in the street) 这条街上这么少的人是不寻常的。
It was too late for there to be any subways 太晚了，不会有地铁了。
Would you like there to be a meeting to discuss the problem 你们要开个会讨论一下这个问题吗
I don’t want there to be a simple mistake in the article that I have written 我不想我写的这篇文章中有错误。
I except there to be no argument about this 我期限望对此事没有争论的。
注：there to be常做like, expect, mean, want, intend, prefer, hate等的复合宾语。
7 there be的固定句型
There be +名词或代词+to do (+介词) 有某事要做
There be + some/no+ trouble/difficulty ( in) doing sth/with sth 做某事(没)有困难
There be + some/no + doubt about/as to sth / that… 对某事(没)有疑问
There is no sense/use/good/point (in) doing sth 做某事没有道理/用处/好处/意义
There is no need (for sb) to do sth/that… (某人)做某事没有必要
There is no chance/possibility to do sth/of doing sth/that… 没有做某事的机会/可能性
There was no arguing with her 没法和她争辩。
There is a time when有做某事的一段时间
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