lisa's mother has been ill for two years.这个句子中为什么有been?

lisa's mother has been ill for two years.这个句子中为什么有been? Lisa's mother was in yesterday.的同义句 Julia is lisa’s mother.Julia is linda's mother,too.将两句合并成一句Julia is （ ） and （ ） mother. Lisa's mother does most of the h---- in their home 2.Lisa's mother bought her a______dress for the Christmas party lisa’s mother spent one hour cleaning the house yesterday.（保持原句意思不变） Mother's Day,lisa,her,a,beautiful,made,herself,gift,as,by,cake,big,mother,gives(.)连词组句 Lisa's uncle goes shopping with Lisa(同义句）Lisa's uncle_____ ______ ______with Lisa 1Look!The lady in the red car is a friend of _A.Marys mother B.Marys mothers C.mother of Marys D.Mary mothers 2If it _tomorrow,w will go to the zoo to see sone elephantsA.wont rain B.doesnt rain C.isnt raining Ddont rain3Lily has to be 18 ye Lisa's shorts are green(对Lisa's提问） 英语作文 Lisa's birthday Lisa S 是哪国人? Jack’s,birthday,mother’s,is,when?排列Lisa and her parents also come to Jeff's birthday party.把这一句英文翻译为汉语 1.Mikeˊs nose hurt.(改错） 2.Lisa has an earache.（Lisa为画线部分,对画线部分提问）1.Mikeˊs nose hurt.(改错）2.Lisa has an earache.（Lisa为画线部分,对画线部分提问）3.We are watching a show now.(用next It's u_______to wait.your mother has left. zhang tao's mother has anew cellphone改为否定句 Ben's mother has a nap at noon.(一般疑问句) Lisa also likes singer but she s she doesn't want to be a singer.s开头的单词啊