She did nothing but to look at the photo.这句话对吗

问题描述:

She did nothing but to look at the photo.这句话对吗
从意思到语法,时态可以忽略不计

不对,不要TO,(有DO 没TO )好得,如果原句还是一样的只是把but换成except可以吗应该是 She did nothing except looking at the photo.