The boys are playing basketball. 中“are”起什么作用。
男孩们正在打篮球 be dong sth 用于表现在进行时 be是系动词，在这构成句型，表达进行时含义，没有实际的意思 望采纳 。
1、昨天的这个时候,男孩子们正在打篮球 用英语怎么说
the boys were playing basketball at this time yesterday 。
2、小男孩在打篮球。用英问该怎么写?急用谢谢!
The boy is playing basketball 。
3、用英语怎么说这个男孩在打篮球
The boy is playing basketball.英式音标：[e?] [b??] [?z] [?ple???] [?bɑ?sk?tb??l] .美式音标：[e?。
4、孩子们正在公园里打篮球英语
网友分享：孩子们正在公园里打篮球 Children are playing basketball in the park.。
5、英语题目
网友分享：3.这个男人在看电视。条件：Watch TV/ work on a computer 做：This man is watching TV.He isn't working on a computer.4.男孩们在打篮球。条件：Play baskeball/run.做：The boys are playing basketball.They 。
6、用代词填空 The boys like playing basketball.It is (
网友分享：the boys like playing basketball,(boys 是复数，所以空中填第三人称复数的物主代词。it is their basketball.男孩们在打篮球 这是他们的篮球。
7、男孩们刚才还在操场,他们现在在打篮球的英语翻译
The boys just still in the playground, they are playing basketball.。
8、i watched the boys ___ basketball just now
I watched the boys playing basketball just now.翻译成：刚才我看到男孩们正在打篮球。
9、男孩们在哪儿打篮球(英文)
We were play basketball on the Basketball court.。