问题描述：
The movie is intended for adults only .这句话是系表结构
The movie is intended for adults only .这句话是系表结构吗?但is后面的动词要用过去时呢?
The movie is intended for adults only .这句话是系表结构吗?但is后面的动词要用过去时呢?
问题解答：
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