人教版六年级英语下册《Then and now》PartA PPT(第2课时)，共16页。
New words
dining hall
… years ago … months ago
last year last month
课 文
There was no gym in my school twenty years ago.
Now there’s a new one in our school.
课文讲解
ago的用法
ago用作副词，意为“以前”，在句中不能单独使用，它的前面必须要有一个表示时间的词或词组，ago词组用于一般过去时。
ago的常见短语
two weeks ago 两周以前
three years ago 三年前
a few days ago 几天前
a long time ago 很长时间以前
there be 句型
句中的there’s 相当于there is，其中there不是指“那里”或“在那边”，而是与is一起构成there be 句型,表示“（某处）有某物或某人”。它的基本句型为：
There be (is/are)+主语（人/物）+其他.
Exercise
dining hall gym grass ago
We can play football in the _______.
Here was a tree ten years _______.
We can have lunch in the _______.
Don’t walk on the _______.
Homework
Introduce your school to your parents. Tell them the changes between the past and now. (use the sentence pattern“there be”)
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