1. 单词讲解
pigeon n.鸽子
- dove
message n.信息
- send a message
- receive / get a message
- leave a message 留一封信
- an urgent message 紧急消息
- short message service = SMS
- information n.抽象信息 看不见摸不着 (不可数)
destance n.距离
- distant adj.遥远的
- difference n.不同的,差异的
- different adj.不同的
- importance n.重要的
- important adj.重要的
- confidence n.信心
- confident adj.有信心的
- convenience n.方便
- convenient adj.方便的
request n.请求,要求
- Their request is absurd.
- We will refuse the request.
spare part 备件
- spare time
service n,业务,服务
2. 课文语法
现在完成时
形式 : have/has + done
用法 : 完成? 全部完成 | 部分完成
- 现在全部完成
- 现在部分完成
用法 : 现在的之前 (站在现在回头看之前)
- He has left. (现在的全部完成)
We have learned English for ten years. (现在的部分完成)
变否定疑问 :
- He has left.
- He has not left.
- Has he let?
补充 : 现在完成时与一般过去时的区别
- He has left.
- 现在全部完成 可以换成 一般过去时
- He has left,so I cannot find him now.
- He left two hours ago.
- He has left.
We have learned English for ten years.
- 现在部分完成 不能换成 一般过去时
Mr.James Scott has a garage… and now he has just bought another garage…
- 现在完成时 (现在的之前)
- have/has + just / already / ever(曾经) / never + done
- 现在完成时 (现在的之前)
… so he has just bought twelve pigeons.
Yesterday, a pigeon carried the first message form…to…
- 一般过去时
Up to now,Mr.Scott has sent a great many requests…
- up to now = up till now
- one … the other
- some … others
In this way, he has begun his own private “telephone” service.
- begin / began / begun
- one’s own + n
- my own room (单独拥有的)
- 比较 : my room
3. 知识扩展
- 现在完成时
- 形式 : have/has + done
- 用法 : 现在的之前
- He has left. 现在全部完成
- We have learned English for ten years. 现在部分完成
- I have lived here for … years.
- They have known each other for … years.
- I have watched the movie … times.