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。
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关键词：There is a horse in this photo PPT课件免费下载，.PPT格式；