数字表达
20 twenty
21 twenty-one
22 twenty-two
30 thirty
33 thirty-three
34 thirty-four
40 forty
45 forty-five
46 forty-six
在30、40、50一直到90的数字中，只有40在fourteen的基础上略有变形(forty)，其它都是将其对应的十几的词尾的-teen改为-ty。
2. 要表达几十几，就是在“几十”之后加上个位数数字，用短横连接。比如：
28 twenty-eight
31 thirty-one
47 forty-seven
59 fifty-nine
66 sixty-six
73 seventy-three
85 eighty-five
94 ninety-four
百的英文是hundred /'hʌndrəd/
千的英文是thousand /'θauzənd/
研读下方示例，寻找hundred/thousand的表达规律：
100 a/one hundred
101 a hundred and one
132 a hundred and thirty-two
200 two hundred
250 two hundred and fifty
1000 a/one thousand
1234 a thousand two hundred and thirty-four
6666 six thousand six hundred and sixty-six
9016 nine thousand and sixteen
1. 不论是几百还是几千，hundred/thousand都不加-s。
2.
根据习惯，百千与个十之间要用and连接，而千与百之间以及个与十之间都不用and。
There be 句型
英语中有一个特殊而常用的句型表示“有”：there be（此处be为am/is/are的统称）
there be
的“有”是指“存在”，而非“拥有”，区别于have/has
研读下方例句，推断therebe结构中何时用is、何时用are？
1. Thereisan apple on the table.
2. There
areseveral apples on the table.
3. There
isa box of apples on the table.
4. There
isan apple and two oranges on the table.
5. There
aretwo apples and an orange on the table.
6. There
issome apple juice on the table.
1.there be结构中是使用is还是are取决于紧跟其后的名词短语。若该名词为可数名词复数，则用are；若为可数名词单数或不可数名词，则用is。
2.
当紧随其后的名词是A of B的结构时，看A。
3.
若紧随其后的有多个名词，则看最前面的那个名词。如，an apple and two oranges，看an apple，用is；再如，two apples and an orange，看two apples，用are。
4.
以上there be的单复数规则称为“就近原则”。
➤ 知识点
注意there be句型的单复数判断依据与其它普通句式不同。普通句式看的并非只是距离谓语动词最近的名词情况，而是看整个名词短语(chunk)的单复数情况。而且凡是名词短语中存在大于等于两个事物的，不论可数不可数，都一律视为复数。
比如：
1. Two bottles of milkareon the table.
2. An apple and an orange
areon the table.
3.
AreShanghai and London both great cities?
4. None/Neither of them
speak/speaksChinese.
若主语是对所有人事物的否定(none,
neither)，通常视为单复数皆可
自然推理2
从下方示例推断there be句型的疑问句结构：
1. There are 30 students in my class.
2. Are there 30 students in my class?
3. How many students are there in your class?
1. there be的一般疑问句结构与常规句式一致
2.
提问“多少东西”时，以 “How many + 东西”为整体提问词。
➤ 知识点
若要问不可数名词的多少，则以How much提问。这是因为many只能修饰可数！
如：
1. How much water is there in the
bottle?
2. How many bottles of water are there in the fridge?
若该名词为集体概念，即本身就表达复数的意思（如people, fish等），则还是用many来修饰，动词用are。
比如：
1. There are many people in the
supermarket.
2. How many people are there in the supermarket?
简略回答为：
1. There is only a little.
2. There are a lot.
3. There are 30.
注：
1.
简略回答中的a little和a lot都作代词。
2. a lot
与is还是are连用取决于a lot实质上指代的是否为可数名词复数。而a little则必然与is连用（因为a little只能指代不可数名词），30只能与are连用（因为数字只能指代可数名词复数）。
生词:
1. fridge /fridʒ/ 冰箱
2. supermarket /’sju:pə,ma:kit/
超市
3. super /sju:pə/
超级的
4. market /’ma:kit/
市场
5. thirty /’θə:ti/
三十
地点
表达地点的短语经常和there be句型连用。 我们继续研究上节课学的in/on，从意思入手，解决它们的疑难问题。
➤ 知识点1
下面这3句话中下划线分别用in还是on？
1. There are 4 peoplein/onthe car.
2. There are many people
in/onthe boat.
3. There are 30 people
in/onthe bus.
意先于形！ 虽然中文“轿车里”“轿车上”都可以说，但英文只能是in the car，除非有人坐在车顶上。 中文习惯说“在船上”，英文要看情况。一般是用in，但若人们是在船的甲板上，那就是on 语法结构上皆可。但意思有差别。on有“乘车”的概念，而“in”则只是一般的指空间位置。比如“车上有多少座位”就不适合用on。而若要表达某人在去哪里的车上时则不适合用in。
➤ 知识点2
下面这3句话中下划线分别用in还是on？
1. There are lots of treesin/onthe mountain.
2. There is a temple
in/onthe mountain.
3. There is a temple
in/onthe mountains.
(mountain /’mauntin/ 山；temple /templ/ 庙)
意先于形！
1. 只能是on the mountain，指在山的表面。若用in，就是指在山的里面了（山里的地道或洞穴？）
2.
只能是on the mountain，理由同1
3.
只能是in the mountains。因为mountains是指一片山区，庙自然是被“包裹”其中了。同理，我们也说... lots of trees in the mountains。
改错：
1. - How many are there volunteers in
your class? – There are fourty-two.
2. There are some fried chicken and a glass of beer on the table.
3. - Is there computer in your room? – No. There are only a desk and a chair.
4. - Where is he? – He is in the train to Beijing.
1. How manyvolunteersare there in your class? – There are
forty-two.
2. There
issome fried chicken and a glass of beer
on the table.
3. Is there
acomputer in your room? – No. Thereisonly a desk and a chair.
4. Where is he? – He is on the train to Beijing.
生词：
1. volunteer /vɔlən’tiə/ 志愿者；自愿
2. fried /fraid/
炸的
3. chicken /’tʃikin/
鸡；鸡肉
4. desk /desk/
书桌
5. train /trein/
火车
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