1、Unit1 Where did you go on vacation? 十四start doing sth.意为“开始做某事”，同义短语：start to do sth. 拓展：作“开始”讲时，start与begin两者可互换，但以下几种情况只能用start,不用begin。a.表示“创办；开办”时。He started a new bookshop last month.他上个月新开了一家书店。b.表示“机器开动”时。I cant start my car.我不能启动我的车了。 c.表示“出发；动身”时。I will start tomorrow morning.我会在明天一早出发。十五a
2、little“一点儿”，在句中修饰动词、形容词或副词。也可以修饰不可数名词。a.I can draw a little,but only as a hobby.b.Its a little cold outside. c.He said he spoke a little English. 十六wait for “等候”，其后可接人或物。 a.Ill wait for you at the door. b.Tom was waiting for a bus over there. 2. . wait v. & n等待；等候(1)作动词时，wait to do sth.等着去做某事They ar
3、e _ have dinner. 他们正等着吃晚饭。3. wait for sb./sth.to do sth.等某人(物)进行某种动作We are waiting for Jim to come. 我们正等着吉姆的到来。4. cant wait to do sth.迫不及待地做某事Children _ the presents.孩子们迫不及待地打开礼物。5. wait n等待；等候 I dont like this long wait. 长时间的等待。十七over介词，意为“多于；超过；在以上（表示数目、程度）”，相当于more than。a. My father is over 40 ye
4、ars old. b.There are over eight hundred students in our school. 拓展：a. over表示“在之上”，与物体垂直且不接触，反义词为under。 There is a map over the blackboard.b. over表示“通过”。I hear the news over the radio.c. over表示“遍及”。I want to travel all over the world.d. over 表示“结束” Class is over. 十八辨析：because of与because a. because of
5、介词短语，意为“因为，由于”，后可接名词、代词或动名词，不能接句子。He lost his job because of his age. b. because连词，意为“因为”，引导状语从句，表示直接明确的原因或理由。 I didnt buy the shirt because it was too expensive . We didnt get there because of _.（雨下得大） We didnt get there because_.十九below在此为副词，意为“在下面；到下面”。Please write your name below. From the top o
6、f the mountain I could see the village below. 拓展：below作介词时的用法：below作介词时，意为“在以下；低于”。 反义词为above，意为“超过在以上”。It was five below zero last night.二十. enough 1. enough adj.足够的；充足的；充分的 ;可以作定语放在可数或不可数名词前面， 也可作表语放在系动词后面。Dont worry. We have enough food to eat. 不要担心，我们有足够的食物可吃。We have enough time to do our homewo
7、rk.Two pairs of socks are enough.两双短袜足够了。2. enough adv.，“足够地；充足地”，修饰形容词、副词或动词时，放在被修饰词之后。.enough (for sb.) to do sth.意为“(对某人来说)做某事足够”。Did you sleep enough last night? 昨晚你睡够了吗？The story is easy enough for little kids to read. 这个故事很容易，连小孩都能读懂。I know him well enough.我最他足够熟悉。3. enough n足够We have enough t
8、o do this weekend. 我们这个周末有足够的事情可做。二十一.Well, but the next day was not as good.嗯，但是第二天却没有这么好了。（P6）as在此为副词，意为“像一样；如同”，用来表示程度。 a. Lily sings as well as a singer.莉莉歌唱得跟歌唱家一样好。b. Tom plays soccer well, but I play just as well.汤姆踢足球不错，但我踢得也一样好。 拓展：as的其他用法：a.作介词，“作为；当作”。He worked as a teacher for 10 years.他
9、当过10年的老师。b.作连词，“像；按照”。You must do everything as I told you.你必须按照我告诉你的那样去做。c.作连词，意为“当的时候”。As the students were talking, Mr. Wang came in.当学生们在说话时，王老师进来了。 二十二. 辨析：forget to do sth.与forget doing sth. forgetful,意为“健忘的”forget to do sth.意为“忘记要做某事（事情还没做） eg: Dont forget to close the window.forget doing sth
10、.意为“忘记做过某事（事情已经做过了） eg: I forget closing the window.forget的反义词remember“想起；记得”remember to do“_”；remember doing“_”。二十三.About one hour later ,we stopped and drank some tea.大约一小时后，我们停下来喝了些茶。1）one hour later一小时后 ； 一小时前_2）stop动词，意为“停止；中断”，过去式_，现在分词_；其后跟名词、动名词或动词不定式。3）drink及物动词，意为“喝；饮”；还可以作名词，意为“饮料”。二十四. d
11、islike“不喜欢；厌恶”，其后可接名词、代词或动名词形式作宾语。同义词是hate。a. Mary _ the hamburgers.不喜欢 b.I _ _ computer 我不喜欢玩电脑游戏。二十五. why not“为什么不呢”，一般用在疑问句中，表示提建议；why not后面需跟动词原形。 注：“Why not + 动词原形?” 相当于“Why dont you+ 动词原形?” a. Why not go to the party with me? =_the party with me? b._ _take a walk? = _ _ _ take a walk? 为什么不去散步呢？
