i did nothing but sleep yesterday.but后是条件状语从句吗?

i did nothing but sleep yesterday.but后是条件状语从句吗? that but nothing like this //状语从句? I did nothing but love you I did nothing but watch TV nothing but 后是动词原形吗 这个句子是什么从句?i'm old ,but i'm strong.这个句子属于什么从句?是状语从句吗? Last Sunday he did almost nothing but ( ).A.sleep B.slept 选啥 I listened but heard nothing.这句话中 but heard nothing应该不是宾语从句吧 I want nothing but We did nothing but sit in the chair中 but后为什么接动词原形 I have nothing to do but read 这里的read是原型还是过去式,but后加什么?能加过去式吗 I could do nothing but wait有时候看到的是 I could do nothing but wa