请问下面这句话有语法上的错误吗?Main products & servicesHeavy steel structure manufacture,harbor machinery manufacture,fabrication of pressure vessel manufacture.

请问下面这句话有语法上的错误吗?Main products & servicesHeavy steel structure manufacture,harbor machinery manufacture,fabrication of pressure vessel manufacture. The difference of life along the river请问这句话语法上有错误吗? This dog is Helen's对吗这句话的语法上有错误吗? He asked me what wrong was with me 这句话有语法上的错误吗? he asked me what wrong with me .这句话有语法上的错误吗? I miss you 这句话有什么语法上的错误吗? 这句话有语法上的错误吗would you mind not speak english? 请问这句话语法有错误吗Do you know where Liuzhen went? He went abroad to study further.请问这句话语法有错误吗? 这句话语法有没有错误我妈非说我这句话是错的,请达人指教 “真速度”这句中文在语法上有没有错误 I was waking along the main road when a car coming towards me suddenly lost control.这句话中有没有错误的语法关系. 请语法高手回答 下面两个例句是否有错误,（时量补语） 我要学习一年的汉语.我要学习汉语一年.这两个句子是否有语法上的错误.特别是 ：我要学习汉语一年.这句话是不是有语法上的错误 does he doing?这句话语法上的错误 He asked me what was the matter with me .这句话有语法上的错误吗? Because animals are friends of our human .这句话有语法或意义上的错误吗? I like to play game very much这句话有没有语法上的错误? “时尚是一种生活方式”这句话是否有语法或逻辑上的错误? I hate you!（这句话有没有存在语法上的错误?）.