look,there different public signs----------.1,mean different

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look,there different public signs----------.1,mean different things.mean为什么不加S?

there mean different public sings.mean 作为系语动词在一般时的句型中要与表语的格式一致,当表语是单数时,系语用单数形式；当表语是复数时,系语用复数或原形.mean 是原形,means 则是单数,而并不是加-s就是复数的意思.

look,there different public signs----------.1,mean different 将different things different mean signs 联词成句 _____the signs mean different things? 1.There are a lot of signs in the park.2.They mean different 连词成句1mean,things,different,they2public,know,lot,signs,about, signs different mean these things连词成句连词成句：things　,signs ,different ,these ,mean [.] mean different different,things;different,mean,signs连词成句（肯定句） Look Different The signs in the park mean different things.（改成一般疑问句） What public transportations are there in different cities(翻译