读音语调要顿拙一些
received a letter from　　 just和完成时连用
months　 one month　 two months
I'have arrived in Beijing.　has been
He has been in Beijing for one year.
has been + in 地点
He has been in America for tow years.
连读
work for　 work in 强调地点　　work for强调work
I am working for a school.
I am working in the New Oriental school.
a great number of :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.
has gone to :去了某地没回来
has been to :曾经去过某地，现在不在那个地方
Have you been to Paris?
soon:很快（时间）
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
fly to Perth: go to Perth by air
before——副词，在此之前　　　现在完成时态的标志
find trip exciting
find +宾语+形容词做宾补　　　find the room clean
find her happy
is finding　 I'm finding...

〖语法精粹〗
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

receive take
他到某地有多久了。
He has been.
I have been here for three years.
find:发现，找到
find the book dirty
find+n.+a.

【Multiple choice questions】

(3).....
at...表示位置　　　be at...(典型表示位置的介词短语）
go to...只要有to这个感念，它的后面一定要有宾语，go to the theater
go in...(in 做副词）很小加宾语　　　He went in.
go into...有去向的动作，还有进入的动作　　go into the room
move:搬家
move in:搬进来
move to the new house:正在搬
move into :搬进去了

(4).....
how long...对段时间提问，跟现在完成时相连
have+动词的过去分词