how引导名词性从句1. 表示方式、方法，相当于the way in which。可译作“怎样、怎么”I didnt know how he came here.2. 表示程度上的感叹，可译作“多么，真，这么”。He said how beautiful those flowers were.He said how he regretted the hours wasted in the woods and fields.He was surprised at how much water I had drunk.3.表示对程度、数量、情况的疑问。 She wondered how he loved her. I dont know how many students there are in our school. I have no idea how my nother is now. I want to know how he is getting on with his studies.4.仅用作连词引导间接陈述句，本身无意义。 He tojld me how (=that)he dad read about it in the newspaper.5.用作连词，相当于the fact/situation/timesthat,可译作“怎么样”“的情形”“的经历”等。 He still remember how they laughed. I still remenber how I lefy my hometown for the first time. I wont forget how we lived together. I wont forget how I lived in my childhood.