The boy is crying loudly.这句话中为什么有is,is起到了什么作用?is是助动词还是别的动词?

listen!the boy A,cryinglisten!the boy A,crying B,is crying C,are crying 请问问号里选什么? The boy is crying loudly.中的is是谓语吗? The boy is crying loudly.中is是什么语态 why the boy is ( ) A.cry B.crying the boy is crying,就划线部分提问.划线部分是crying 英语中Ifound a little boy crying in the room 中crying为什么不是is crying谢谢． 回答问题why is the boy crying?where are the boy’s classmates? the boy is crying his pen is?A.lost B.losing c.lose D.losed The t____ boy could not stop crying. to_____surprise,the boy is still crying there A.he B.his C.himself D.him the boy,________(玩具属于他),is crying now because someone has broken it ing形式做定语是不是只能表示现在进行时 过去进行时the crying boy the boy who is crying the boy who lost the key 可不可以转换成ing形式 The baby is crying是什么意思 The City Is Crying 歌词 Now our country_____(become)stronger and stronger The boy is crying.Can you make him _____(laugh) Now our country_____(become)stronger and stronger The boy is crying.Can you make him _____(laugh) This made the boy stop crying.请改为被动语态 I found a little boy crying in the corner可以改成I found .was crying