As I have loved you
Love one another.
This new commandment. Love one another. By this shall manknow you are my
disciples if you have love one to another.
have+pp.
have loved 指的是过去和现在都爱你
第二个have+love
就真的不了解了,传教士说if所以后面用have+love
印象中如果和现在事实相反也要用过去式 have+pp..
英文文法真难搞..