《There is a horse in this photo》PPT免费下载

外研版四年级英语上册《There is a horse in this photo》PPT免费下载，共16页。

Listen and chant.

Look at the photo.

There is a horse.

And there is a girl.

She is riding the horse.

There is a horse.

There be句型意思是“某处有（存在）某人或某物”,其具体的结构：

（1）There is a / an +可数名词的单数 + 地点状语。

eg：There is a photo on the wall.

（2）There is + (some)+不可数名词 + 地点状语。

eg：There is some water on the table.

（3）There are +可数名词的复数 + 地点状语。

eg：There are many books on the desk.

（4）There be句型有几个并列主语,此时be动词采取“就近原则”,与靠近的名词的数一致。

eg：There are two books and a pen on the desk.

There is a pen and two books on the desk.

Grammar

It's running fast.

句子中running是动词run双写n变成的现在分词形式,此句子是现在进行时的结构,表示“……正在做某事”，由“主语+be+动词的ing形式”构成,be动词根据主语的变化而变化,即I am；He / She / It is ；We / You / They are + 动词的ing形式。