18- 3- sales rep, mechanic, engineer, hairdresser,customs officer, taxi driver, nurse, air hostess, postman
记住以下名词的复数变化规则
singular form and plural form
变化规则
通常情况下名词的复数变化是在词尾+s,表示1个以上
mechanic mechanics
以s, sh, ch, x 结尾+es
bus buses
brush brushes
watch watches
box boxes
以辅音字母+y结尾,变y为i+es
“元音字母+y”结尾的名词,词尾直接加-s。
baby babies
boy- boys(男孩);
day- days(白天);
key- keys(钥匙)
4. “辅音字母+o”结尾的名词,有生命+es;
“辅音字母+o”结尾的名词,无生命+s;
“元音字母+o”结尾的名词,一般+s。
例如:
tomato-tomatoes(西红柿)
potato- potatoes(土豆);
hero- heroes(英雄)
mango- mangoes(芒果)
photo — photos(照片);
5.以f或fe结尾的,把f或fe变成v,再加es,
housewife -housewives
shelf shelves
6. 英语中有一些名词的复数形式是不规则的,记心中
如man, woman,以及由这两个词组成的复合名词:
man- men
woman- women
milkman - milkmen
policewoman -policewomen
child - children
s发音:(口诀:清清,浊浊,元浊)
1.在清辅音后面发/s/
book books
2.在浊辅音或元音音素后面发/z/
pen pens
teacher teachers
3.以/s/结尾的单词,
其名词复数通过加-es,发音为/iz/
bus buses
box boxes
brush brushes
watch watches
英语很多规则都是为了发音顺畅为服务
本课词汇积累
销售代表、推销员
技工; 机械师; 机械学; 机械修理工
工程师; 设计师
键盘操作员; 电脑录入员
理发师; 美发师
教师; 老师
海关官员
出租车司机
护士
空姐
主妇; 家庭主妇
送奶工
邮递员; 邮差
男警察
女警察
词汇应用
Q:
What are their jobs?
A:
They are sales reps.
Q:
Are they mechanics?
A:
Yes, they are.
They are mechanics.
Q:
Are they engineers?
A:
No, they aren't.
They are not engineers.
Q:
Are they
keyboard operators
or hairdressers?
A:
They arekeyboard operators.
词汇自默,拍我
1.销售代表、推销员
2.技工; 机械师;
3.工程师; 设计师
4.键盘操作员;
5.海关官员
6.出租车司机
7.护士
8.空姐
9.邮递员; 邮差