tofindoutwhatyoungpeoplethinkaboutthefutureofurbanlife,ateacheratauniverty--句子成
Tofindoutwhatyoungpeoplethinkaboutthefutureofurbanlife,ateacherataunivertyintexasintheunitedstatesaskedhisstudentstothinkhowtheywouldrunacityof50000peopleintheyear2025.前面to不定式做主语吗,那findout是谓语了,what后面是宾语从句?是这样的吗,不是的话,to不定式是什么,在整个复合句中做什么
还有Togetridofgarbageproblems,中的to又是做什么?