never before has china developed rapidly这句话的陈述句是?

问题描述:

never before has china developed rapidly这句话的陈述句是?
还有Never before has the city been in greater need of modern public transport than it is today
有3句
Never before has the city been in greater need of modern public transport than it is today
Never before has china developed rapidly
Never have I seen him before
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第三句的结构和前两句的怎么不一样呢?

the city has never been in greater need of modern public transport before than it is today