講解句子結(jié)構(gòu)
They are the principles on which my wife and i have tried to bring up our family.they are the principles in which my father believed and by which he governed his life.they are the principles,many of them,which i learned at my mother's knee.
i believe in the supreme worth of the individual and in his right to life,liberty,and the pursuit of happiness.
請高手給我講解一下這段話,不理解,里面有on which,in which,by which.看不懂,下面的也不理解,都弄不明白句子的結(jié)構(gòu).