1）當(dāng)let后只有一個單音節(jié)動詞，變被動語態(tài)時，可用不帶to 的不定式?！ ?They let the strange go.---> The strange was let go. 2） 若let 后賓補較長時，let 通常不用被動語態(tài)，而用allow或permit 代替?！ he nurse let me go to see my classmate in the hospital. ----> I was allowed / permitted to see my classmate in the hospital.