原句为:The new designed bedroom seems to be a great deal larger than is necessary.在这句话中than做从句的主语,省略了主语。
那下面这句话为什么不对呢?下面这句话,我省略了主语即(The new designed bedroom seems)
The new designed bedroom seems to be a great deal larger than to be necessary.
所以在有than的句子中哪些成分可以省略,哪些不可以省略?