人教版六年级英语下册《Then and now》PartA PPT课件(第2课时)，共18页。
复习旧课
选词填空
buildings hill stars moon computer
1.There are many tall _________ in the city.
2. The ______ is bright.
3. There are many trees and flowers on the______.
4.. There are many ______ in the sky.
5. There is a ________ on the table.
讲授新知识
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。
检查评价
选词填空
dining hall gym grass ago
You can have lunch in the _______.
We can play football in the ____.
Here was a tree two years ___.
Don’t walk on the _____.
间隔性复习
There be句型的主谓一致
该句式中只有一个主语，主语为单数或不可数名词时，be动词用is；主语若为复数，be动词用are。例如：
There are many hills in the park.
公园里有很多座小山。
该句式中有几个并列主语，则谓语动词按就近原则处理，即与靠近be动词的第一个主语保持一致。例如：
There is a blackboard，many desks and chairs in the classroom.
教室里有一块黑板、一些书桌和椅子。
Homework
完成本课的配套练习。
关键词：《Then and now》PPT课件免费下载，.PPT格式；
