内容正文:
Unit3 Words and Expressions
1.eraser cn. 橡皮
以元音音素开头,其前不定冠词应用an
e.g. This is an eraser.
2.dictionary cn. 词典 (pl.)dictionaries
e.g. a Chinese- English dictionary 一本汉英词典
an English- Chinese dictionary 一本英汉词典
3.his pron. 他的
★拓展:
名词性物主代词:
第一人称
第二人称
第三人称
单数
复数
单数
复数
单数
复数
mine
我的
ours
我们的
yours
你的
yours
你们的
his
他的
hers
她的
its
它的
theirs
他/她/它们的
名词性物主代词的用法:
(1) 名词性物主代词=形容词性物主代词+名词,其后不能再接名词;
e.g. These are my cups and hers are over there.
=These are my cups and ______ ______ are over there.
(2) 名词性物主代词在句中可作主语、宾语、表语。作主语时,谓语动词的数应由所指代的名词的数来决定。
e.g. This is my ruler. His ______ (be) in his schoolbag.
-Are these books yours?
-No, they aren’t. Mine ______ (be) over there.
4.excuse me 劳驾,请原谅
★拓展:
Excuse me与I’m sorry的区别:
Excuse me多用于麻烦、打扰或有求于人时,来引起别人注意,是表示客套的话;I’m sorry指因做错了事,心中有愧,或因不能满足对方的要求而表示歉意。
e.g. _______ _______, what’s that in English?
_______ _______, I’m late.
5.thank you 谢谢你
Thank you for… 为……而感谢你(们)
=Thanks for …
其中介词for后只能接名词、代词或v.-ing形式,表示感谢的原因。常见用法如下:
thank sb. for sth. 因某事感谢某人
thank sb. for doing sth. 感谢某人做了某事
e.g. Thank you for your ruler. = _______ for your ruler.
Thank you for ______(help) me. = ______ for ______(help) me.
★拓展:
表示感谢的说法:Thanks a lot.
Thank you very/ so much.
Thank you all the same.
对感谢的回答:Not at all.
That’s OK./ all right.
It’s my pleasure.
My pleasure.
You’re welcome.
6.What about…? ……怎么样?
相当于How about…?后面可接名词、代词或v.-ing形式。
e.g. My ruler is blue. What about _______(you) ?
What about ______(go) to school with me?
★about ①prep.关于 后接名词、代词或v.-ing形式作宾语。
e.g. This photo is about Eric’s family.
②adv. 大约,差不多
e.g. She is about ten years old.
7.help ①un.帮助;援助
e.g. Come on, Jenny. I need your help.
With his help, I can sing ABC songs.
★拓展:with one’s help= with the help of sb.
②vt. 帮助;援助 常见用法如下:
help sb. with sth. 在某方面帮助某人
Help sb. (to) do sth. 帮助某人做某事
e.g. Kate helps me ______ my English.
=Kate helps me ______ ______ (learn) my English.
8.