Unit 1 Where did you go on vacation?
本单元的话题：谈论假期活动内容，复习一般过去时。
本单元的语法：1.复习一般过去时;
2.学习不定代词和不定副词的用法。
一、不定代词
(1)左边的some、any、every、no与右边的body、one、thing构成不定代词，some、any、every、no与右边的疑问副词where构成不定副词;
(2)一般情况下以some开头的不定代词和不定副词用于肯定句，以any开头的不定代词和不定副词用于否定句、疑问句;以no开头的不定代词和不定副词表示否定含义(no one为两个单词);
(3)不定代词或不定副词和形容词连用时，形容词放在后面。
He has something important to do.
他有重要的事情要做。(肯定句用something，形容词important放后)
Did you buy anything special? (一般疑问句用anything，形容词special放后)
Did you go anywhere interesting last month?上个月你去令人感兴趣的地方了吗?
(一般疑问句用不定副词anywhere，形容词interesting放后)
(4)不定代词和不定副词做主语时，后面的动词用单数形式。 Everyone is here today.
今天每个人都在这里。
二、重点短语
1. go on vacation去度假
2.go to the mountains 上山/进山
3.stay at home呆在家
4.go to the beach去海滩
5. visit museums 参观博物馆
6. go to summer camp去参观夏令营
7. study for tests为考试而学习备考
8. go out出去
9. quite a few相当多,不少(后跟可数名词复数)
10. take photos照相
11. most of the time大部分时间
12.buy sth for sb = buy sb sth为某人买某物
13. taste good. 尝起来很好
taste(尝起来)、look(看起来)、sound(听起来)为感官动词，后跟形容词
14. have a goodgreatfun time过得高兴，玩得愉快(=enjoy oneself)
15. nothing…but+动词原形：除了……之外什么都没有
He had nothing to do at home but read yesterday.
昨天他在家除了读书无事可做。
16.keep a diary记日记
17. in the past 在过去
三、重点单词
1. seem to do sth: 好像…
I seem to know him.我好像认识他。
seem+(to be)+形容词：看起来…
The work seems(to be)easy.这工作看起来很容易。
2. arrive in+大地方 arrive at + 小地点 get to + 地点
若是arrive和get后跟home、there、here三个地点副词，后面的介词inatto必须去掉。
Tom got home yesterday evening
=Tom arrived home yesterday evening.
3.decide to do sth:决定做某事 decision 名词 make a decision
4. try doing sth.尝试做某事try to do sth.尽力去做某事
5. feel like doing sth 想要做某事
6. too many 太多，后接可数名词复数。
too much 太多，后跟不可数名词，修饰动词作状语。
much too 太，后跟形容词或副词
分辨三者的口诀： too much, much too, 用法区别看后头:much 后接不可数,too 后修饰形或副。too many 要记住，后面名词必复数。
7. because of 因为,后接名词、代词或动名词，不能接句子。
because因为，后跟句子。
He was late for school because of getting up late.
= He was late for school because he got up late.
8. enough(足够的)与名词连用，一般放在名词前
He has enough money .
enough(足够的)与形容词或副词连用，enough放在后面。
He is old enough to go to school.
9. forget doing sth.忘记已经做过某事(已经做完)
forget to do sth.忘记去做某事(还未做)
10. so+形容词+that+句子：如此…以至于…
too+形容词+to do sth：太…以至于不能…
形容词+enough to do sth：足够…能够做某事(注意三个句型有时可以互换)
He is so young that he can′t go to school.
= He is too young to go to school.
= He isn′t old enough to go to school.