内容正文:
Section A Grammar Focus-3d
1.学生能够理解并归纳连词and,but,because的功能和用法。
2.能够使用连词and,but,bcause连接句子。
3.能够在语境中合理使用连词and,but,because,做到自然得体。
学习目标
连词and,but&because
英语中连词(conj)主要用于连接单词、短语或句子。连词主要分为两类:并列连词和从属连词。本单元主要讲解并列连词and,but because。
and 的用法
and意为“和,并且;然后;那么”,用于连接单词或句中的并列成分。连接两个及两个以上名词或代词做主语时,谓语动词用复数形式。
连接名词短语,表并列关系
连接句子,表并列关系
1. The boy has a small nose and two big eyes.
2. My father is a teacher and my mother is a nurse.
3. He takes his schoolbag and goes to school.
连接动词短语,表顺承关系
4. Work hard and you’ll get good grades.
连接句子,表条件和结果关系
1. The house is small but nice.
2. The car is very old,but it runs very fast.
注意:but不能与 although/ though连用
but 的用法
but意为“但是”,表转折关系,连接意义相反或相对的词或句子。
连接单词
连接句子
because的用法
because 引导原因状语从句,表示原因
(1)because引导的原因状语从句可用来回答why 开头的疑问句。
一 Why do you want to go there?
一Because it’s an interesting place.
(2)because引导的原因状语从句可在主句前也可在主句后,在主句前时,要用逗号与主句隔开。
Because this is our first lesson, I don't know your names.
= I don't know your names because this is our first lesson.
because的用法
I don't know the way to your home because I'm new here.
我不知道去你家的路,因为我是新来的。
= I'm new here, so I don't know the way to your home.
我是新来的,所以我不知道去你家的路。
注意:because不能和so连用。
Read the sentences. Find out when to use and, but, and because. Then complete the statements with and, but, or because.
3a
because
and
but
1.I have a bicycle, E
2.I like to learn about IT F
3.She likes to listen to music D
4.He is good at English, A
5.My favourite subject is geography B
6.I don’t like drawing, C
3b
Match the two parts to make sentences.
A. and he often helps me with my English.
B. because I like travelling.
C. but I like my art teacher a lot.
D. and draw pictures.
E. but I often walk to school.
F. because it’s fun to learn to use computers.
I love Thursday afternoons _________ we have a fun class then. It’s biology class, _______ it’s exciting! Miss Baker is the teacher, ______ she works hard to make the class interesting. I’m not good at science, ______ I like the class very much. We learn about different plants _______ animals. Sometimes it’s difficult to remember all the information, _____ Miss Baker helps me. She’s my favourite teacher _________ she makes everyone in the class feel special.
3c
Complete the passage with and, but, or because.
because
and
and
but
and
but
because
3d
Do a survey in class using the questions below.
Which is your favourite school day?
What subjects do you have that day?
What subjects on that day do you like and why?
Who likes the same subjects as you and why?
Exercise
1. My grandpa often plays Chinese chess with his friends ________ he likes Chinese chess very much.
2. I bought a gift for my friend, ______ he likes it very much.
3. Tom can speak French well now, ______ he couldn’t speak it at all last year.
4. He is eating dinner, ______ his sister is eating dinner, too.
5. I’m not good at English speaking ________ I never give up.
6. My mother doesn’t eat ice cream _________ she doesn’t want to be fat.
because
and
but
and
but
because
用适当的连词填空
Thanks for listening!
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