never once has the old couple quarreled with each other since they were married 40 years ago.这个句子怎么理解,为什么用完成时态,

Once these,has become the Kate has never been to the Tokyo,_____?_____,she has been there only once.这个反意疑问句怎么填 never once has the old couple quarreled with each other since they were married 40 years ago.这个句子怎么理解,为什么用完成时态, The heart that once truly loves never for-gets. 请问never ever forget the things that once made you The heat that once truly loves never forgets什么意思 翻译 i have never got the third place even once The former love has never bone away The World Has Never Been Untrue是什么意思 Never once has the old couple quarrelled with each other since they were married 40 years ago.为什么助动词用has不用have,而且后面都是they啊,此时的couple应该表示两个人吧, once apart,never back We'll start at once if the rain has stopped. I love the once you,but everything has ceased to Remember once again the passage of memories,has not sweet. 翻译:the day when we once lived and the people once we loved,will never come back Once the familiar turns strange,once we begin to reflect on our circumstances,it's never the same again. The heart has never been injured...The injury will not! He has never forgotten the p____ trip in the mountains .