he is the greatest man that i ever known in my whole life.请问known 前面是否需要加 have .或者说不加就像上面写的语法有错误吗?

he is the greatest artist a____ today.填词. This is the greatest love what is the greatest inventor He is the greatest love of my life 回答He is the greatest love of my life 回答对的采纳 He is t____ to be one of the greatest pianists in the 21st century He/She gives me the greatest help Love is the greatest retreshment in life Love is the greatest refreshment in life Health is the greatest wealth是什么意思 英译汉1.the father is called ten of the greatest cartoonists by some great cartoonis2.he has got the hero pose3.he is a super agic lightning boy 英语翻译1.There were 16 votes ( ) my suggestion,and 15 against.2.--------What ( ) inviting Lisa to your party?--------I'm afraid I don't agree.3.He is recognized as one of the greatest scientists ( ) all time. Your happiness is the greatest happiness Your happiness is the greatest happiness The paper is one of the greatest ( )in the world 红楼梦 is one of Chinese four greatest/the greatest works.选择的原因为什么不用the 英语翻译A beautiful roosterLong ago,there was a roosterwho thought he was the best looking rooster around.He liked to show it off,too. I'm the greatest rooster around!I'm sure there is no otherrooster as great as me. Hey,Woodpecker with the l life is difficult,this is one of the greatest---(ture) 同义句转换（比较级,最高级）一个问号一个单词1、原：He is taller than I I'm?than he2、原：This room is four times bigger than thatone. This room is five times the?that one .3、原：Paris is one of the greatest cities in What is the greatest thing in the world?