新概念英语第一册Lesson 83 Going on holiday

[词汇]（5）
mess  n. 杂乱，凌乱
pack  v. 包装，打包，装箱
suitcase  n. 手提箱
leave  v. 离开
already  adv. 已经

★mess   n. 杂乱，凌乱
Excuse the mess.  乱七八糟，请原谅。

★pack  v. 包装，打包，装箱
① v. 打包，装箱
pack one’s suitcase  打包
pack one’s suitcases  收拾行李。
② v. 挤满，塞满
The movie fans packed the hall.   大厅里挤满了影迷。
The bus was packed with people.   公共汽车里挤满了人。

★leave   v. 离开
① v. 离开，出发
The train is going to leave in 5 minutes.
② v. 舍弃；脱离
John’s wife left him for another man.
约翰的妻子舍他而去，投入另一个男子的怀抱。
③ v. 留给，遗留；委托
‘Leave it to me,’he said.   “这事交给我来办吧，”他说道。
The famous actress left all her money to charity.

[语法]
现在完成时
表示在过去一个不确定的时间里发生的并与现在有着某种联系的动词；或者表示的开始于过去并持续到现在的动作。
肯定句： has/have + 动词的过去分词
否定形式：hasn't/haven't + 动词的过去分词
疑问形式：把 has/have 提前
规则动词的过去分词与过去式相同，而不规则动词的过去分词则无统一的规律可言，需特别加以记忆。

[课文]
CAROL: Hello, Sam. Come in.
TOM:   Hi, Sam. We're having lunch.
        Do you want to have lunch with us?
SAM:   No, thank you, Tom.
        I've already had lunch.
        I had at half past twelve.
CAROL: Have a cup of coffee then.
SAM:   I've just had a cup, thank you.
        I had one after my lunch.
TOM:   Let's go into the living room, Carol.
        We can have our coffee there.
CAROL: Excuse the mess, Sam.
        This room's very untidy. We're packing our suitcases.
        We're going to leave tomorrow.
CAROL: Tom and I are going to have a holiday.
SAM:   Aren't you lucky!
TOM:   When are you going to have a holiday, Sam?
SAM:   I don't know.
        I've already had my holiday this year.
CAROL: Where did you go?
SAM:   I stayed at home!