Lesson 4
【课文讲解】
读音语调要有抑扬顿挫
1. received a letter from     just和完成时连用
months   one month  two months 注意读音

2. I've arrived in Beijing. (has been)arrive 是瞬间动词不能和段时间连用
He has been in Beijing for one year.
has been + in 地点
重点词语的区别：have been to / have gone to
He has been in America for tow years.

3. work in 强调地点　　work for强调work
I am working for a school.
I am working in the Yale University.

4. a great number of 类似于, 约等于a lot of
a great number of 后面一定要加可数名词复数
a lot of 可加可数名词也可加不可数名词
I have a lot of friends
I have a great number of friends.
雅思常用的搭配：a great many = a great number of
                a great deal of = a large amount of = a large sums of

5. soon:很快(时间)
quick 反应快 quick share
fast   速度快 
rapid  变化快  rapidly

6. from there:从那地方起
from 即可以加时间又可以加地点
from half past 8 to half past 11
from Beijing to Tianjing
from … to … = from … through …

7. before――副词, 在此之前　　　现在完成时态的标志
下面表示状态、感觉、情绪、精神活动的动词不可用于进行时
believe;doubt see hear know understand belong think
consider feel look seem show mind have sound taste
require possess care like hate love detest desire

arrive不能和断时间连用
用进行时态表示将来时态的 : go, come ,leave ,arrive

第3课关键句型 : 一般过去式　　　第4课关键句型 : 现在完成式
第5课 : 一般过去式和现在完成式的相同点, 不同点, 用的时候要注意什么
下面几个词一出现就标志着完成式 : just before already

8. find trip exciting
find +宾语+形容词做宾补　　　find the room clean
find her happy
is finding   I'm finding... . . We’re finding... ...在口语中经常使用