英语教案－Make our world more beautiful

y.
I dont think I can.
Im afraid Ill be quite busy then.
There is nothing before Sunday, I am afraid.
Im afraid Ill be filled up this week.
Im afraid I cant meet you here.
Im sorry, but. . . wont be so convenient for me.

本单元重点难点分析
1．have been (to) 与 have gone (to)
have been与have gone都表示现在完成时态，表明动作已经发生了，但它们之间的含义是有不同的。
1）have been in + 地点名词或者have been + 表位置的副词含义是在某地呆得过多久。例如：
Mr Zhang has been in this school for ten years．He knows everyone here.
张先生在这所学校呆了十年。
I have been here since I began to work．Its just like my home.
我工作以来一直呆在这里。
2）have been to +地点名词表示曾经到某地去过（多少次）。例如：
Miss Brown has been to China twice．Thats why she speaks Japanese very well.
布朗小姐来过中国两次。
Have you ever been here before?
你以前到过这儿吗？
3）have gone to +地点名词或have gone + 表位置的副词其含义是到某地去了（人已不在此地），注意：这种结构不用于第一人称，也不用于第二人称，它仅用于第三人称。请看下面一段对话：
A: Wheres Tom?
B: Hes gone to the shop.
A: Has Mary gone there with him?
B: No, she hasnt.
A：汤姆在哪里

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