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 指的是過去和現在都愛你
第二個have+love
就真的不了解了,傳教士說if所以後面用have+love
印象中如果和現在事實相反也要用過去式 have+pp..
英文文法真難搞..