Topic2
重点语法 现在进行时态。
重点句型 What are you doing? He is cleaning the dormitory.
Are you doing your homework? Yes, I am./No, I am not.
How long can I keep them? Two weeks.
重点详解
1 at the moment“此刻，现在”,相当于now.
2 巧辩异同 go to sleep与go to bed
① go to bed“上床”“就寝”I often go to bed at ten.
② go to sleep“入睡”“睡着”Last night I went to sleep at two o’clock.
3 巧辩异同some, a few 与a little “一些，有些”三者都修饰名词。
some既可以修饰可数名词又可以修饰不可数名词。
We want some apples and some water.
a few用在可数名词复数之前，a little用在不可数名词之前。
There are a few books and a little waterin the classroom.
4 与how相关的短语 how often多常 how many多少 how much多少钱 how old多大
5 And you must return them on time.你必须按时归还它们。Return意为“归还，回归”
① return sth. to sb.把某物归还某人=give back sth. to sb.
② return to“回到…”，相当于come back to…
6 Maria and a girl are talking at the lost and found.
talk“交谈”，常用的短语talk to/with sb.“与某人交谈”
巧辩异同talk, say, speak与tell
(1) talk“交谈”，表示通过谈话方式交换意见、消息等。
(2) speak“说话”，强调开口发声，后常接某种语言。
(3) say “说”，强调所说的话的内容。
(4) tell“告诉”，有时兼含“嘱咐”“命令”等。tell a truth说真话，tell a lie说谎, tell a story 讲故事等固定搭配。
7 I can’t find my purse and I am looking for it. look for“寻找”，强调寻找的过程； find“找到”强调找的结果。
8 look(at), see与 read look(at)指看的动作，see指看的结果，read常指看书、看报纸等。
9 Here are some photos of his.这有他的一些照片。
photos of his是双重所有格。his是名词性物主代词，后还可以接名词所有格。a friend of mine我的一个朋友 a classmate of my brother’s我弟弟的一个同学
10 I also want to go there one day.我也希望有一天到那儿。
also意为“也”，常用于be动词和情态动词后面，实义动词的前面。
巧辩异同 also与too also放在句中，too用于句末。
语法讲解 现在进行时
1.现在进行时表示：现在正在进行或发生的动作。
2.常用的时间状语：now, at the moment, look, listen等。
3.谓语动词构成：be(am/is/are)+v.-ing形式。
4.动词的-ing形式构成：
规 则 原 形 -ing形式
一般在动词原形末尾加-ing
do
go doing
going
以不发音的字母e结尾的动词，先去掉e，再
加-ing make
dance making
dancing
以重读闭音节结尾的动词，如末尾只有一个辅音字母，应双写出这个字母，再加-ing swim
run swimming
running
5.现在进行时态的肯定、否定和疑问式。
（1）肯定式：I am running. You are running. He/She is running.
（2）否定式：I’m not running. You aren’t running. He/She isn’t running.
（3）一般疑问句及回答：—Are you running? —Yes, I am./—No, I am not.
—Is he/she running? —Yes, he/she is./ —No. he/she isn’t.