Unit 1 Where did you go on vacation?短语：go on vacation stay at home go to the mountains go to the beachvisit museums go to summer camp quite a few study forgo out most of the time taste good have a good timeof course feel like go shopping in the past walk aroundtoo many because of one bowl of find out go ontake photos something important up and down come up 语法：一般过去时一般过去时1一般过去时表示过去某个时间发生的动作或存在的状态，常和表示过去的时间状语连用。一般过去时也表示过去经常或反复发生的动作。2Be动词在一般过去时中的变化：am 和is在一般过去时中变为was。（was not=wasnt）are在一般过去时中变为were。（were not=werent）带有was或were的句子，其否定、疑问的变化和is, am, are一样，即否定句在was或were后加not，一般疑问句把was或were调到句首。3句中没有be动词的一般过去时的句子 否定句：didnt +动词原形，如：Jim went home yesterday.Jim didnt go home yesterday. 一般疑问句：在句首加did，句子中的动词过去式变回原形。如：Jim went home yesterday.Did Jim go home yesterday? 特殊疑问句：疑问词+一般疑问句？如：Jim went home yesterday. Did Jim go home yesterday?What did Jim do yesterday?动词过去式变化规则：1一般在动词末尾加-ed，如：pull-pulled, cook-cooked2结尾是e加d，如：taste-tasted3末尾是辅音字母加一个元音字母和一个辅音字母的重读闭音节，应双写末尾的辅音字母，再加-ed，如：stop-stopped4以“辅音字母+y”结尾的，变y为i， 再加-ed，如：study-studied5不规则动词过去式：(七年级下册，同学们自己去找)惯用法：1. buy sth for ab./ buy sb. sth 为某人买某物2. taste + adj. 尝起来3. nothing .but + V.(原形) 除了之外什么都没有4. seem + (to be) + adj 看起来5. arrive in + 大地方 / arrive at + 小地方 到达某地6. decide to do sth. 决定做某事7. try doing sth. 尝试做某事 / try to do sth. 尽力做某事8. enjoy doing sth. 喜欢做某事9. want to do sth. 想去做某事10. start doing sth. 开始做某事11. stop doing sth. 停止做某事12. look + adj 看起来13. dislike doing sth. 不喜欢做某事14. Why not do sth. 为什么不做.呢？15. so + adj + that + 从句 如此以至于16. tell sb. (not) to do sth. 告诉某人（不要） 做某事17. keep doing sth. 继续做某事18. forget to do sth. 忘记去做某事 / forget doing sth 忘记做过某事词语辨析：1. anywhere 与 somewhere 两者都是不定副词。anywhere 在任何地方 ， 常用于否定句和疑问句中。I cant find it anywhere.somewhere 在某处，到某处，常用于肯定句。 I lost my key somewhere near here.2. seem + 形容词 看起来. You seem happy today.seem + to do sth. 似乎、好像做某事 I seem to have a cold I seems / seemed + 从句 看起来好像；似乎. It seems that no one believe you. seem like .好像，似乎. It seems like a good idea. 3. decide to do sth.决定做某事 They decide to visit the museum.decide + 疑问词 + 动词不定式 He can not decide when to leave.4. start doing sth = start to do sth. 开始，可与begin 互换 。He started doing his homework. 但以下几种情况不能用begin .1) 创办，开办： He started a new bllkshop last month.2) 机器开动： I cant start my car.3) 出发，动身： I will start tomorrow morning.5. over 介词，多于，超过，在以上（表示数目、程度）= more thanMy father is over 40 years old.在之上，与物体垂直且不接触，与 under 相反。 There is a map over the blackboard.超过： I hear the news over the radio. 遍及： I want to travel all over the world.6. too many 太多，后接可数名词复数： Mother bought too many eggs yesterday.too much 太多，修饰不可数名词，修饰动词作状语。 We have too much work to do. Dont talk too much.much too 太，修饰形容词或副词。 The hat is much too big for me. Youre walking much too fast.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 介词短语，因为，由于，后接名词、代词或动名词，不能接句子。He cant take a walk because of the rain.because 连词，因为，引导状语从句，表示直接明确的原因或理由。I dont buy the shirt because it was too expensive. Unit 2 How often do you exercise?短语：help with housework go shopping on weekends how often hardly everonce a week twice a month go to the movies every day use the Internetbe free have dance and piano lessons swing dance play tennis stay up lateat least go to bed early play sports be good for go campingin ones free time not.at all the most popular such as go to the dentistmore than old habits the hard less than 语法要点：一般现在时一般现在时表示经常、反复发生的动作或存在的状态一、表示一般现在时的时间状语一般现在时常和 always, often, usually, every day, sometimes等表示时间的状语连用二、行为动词在一般现在时中的用法：一般人称的谓语动词用原形.，但单数第三人称做主语时谓语动词词尾发生变化：即.动词词尾加-s；或.-es， 三、动词遇到单数第三人称时的表示方法在一般现在时中, 当主语是单数第三人称时, 行为动词的形式是在词尾加 -s 或 es具体方法如下： / 1.一般情况下，直接加 -s eg. works， plays, rains, sees 2.以 sh, ch, s, x 或 o 结尾的词后加 eseg. washes, teaches, fixes, does, goes3.以辅音字母加 -y 结尾的，先把 y 改成 i, 再加 -eseg. studies, flies, carries注意: 动词加 -s 以后的读音.动词加-s后的读音1.在p t k f 等清辅音后， 发清辅音 /s/ eg. helps , works, likes, hates ,laughs2.在浊辅音和元音后， 发浊辅音 /z/eg. drives, cleans, plays3.在s z 后， 发 /iz/rises, wishes, teaches, urges4.在t d后，发 /ts/ /dz/eg. fits, sets, needs5. 其他情况下发zeg. plans, cries, shows 四、 一般现在时的用法：1、表示经常、反复发生的动作，现存的习惯或状态。常与often, always, usually, every day, sometimes, never, once a day, seldom等时间状语连用。例如：I am a teacher.We are Chinese.She goes to