Tommy's been to the toilet three time this morning.这句话为什么用现在完成时,不用一般过去时?既然句中出现明显的表示时间的状语,应该用一般过去时啊!为什么这里用现在完成时呢?如果是为了强调对

tommy's been to the toilet three times this morming中的been是什么意思?怎么理解?been是BE的过去分词,但句中有一个's了吗? Tommy has been to the toilet (three )times this morning?求高人回答, Jim's coat is not the same as Tommy's.Jim's coat is ( ) Tommy's.A.different from B.different forC.different to tommy`s video cassette is next to his notebook on the dresser?tommy`s video cassette is next to his notebook on the dresser?tommy`s video cassette is next to his notebook on the dresser?tommy`s video cassette is next to his notebook on the dresser?to Tommy’s book is on the chair. Tommy`s been to the toilet three times this morning.这句话的时态是什么?主要问这句话的时态是一般过去时还是过去进行时还是其他的时态? 英语翻译Jokes- Keep Fit Tommy- Can you teach me to do the splits Gym Instructor- How flexible are you Tommy- Well..I can't make Tuesday's . When Tommy came out of the house,he found David__Charlie's mouth.A is covering Bcovering C to cover 英语翻译Father has two tcickets for chinese children's filmSun Wu KongHe wants to take Tommy to see the film ,but tommy does not wantto go with him.He wants to go with mother .Father is not happy.Heasks Tommy,Why?Tommy says,You didn't buy me HE GOES TO THE READING CLUB WITH TOMMY（对 TOMMY画线提问） Tommy mist go to the libruary.（改为一般疑问句） 填空：（ No,he hasn't been to work today.He's been to the doctor's. 看不懂这句英语的语法,--Tommy's been to the toilet three times this morning,but I haven't had any change yet .这句英语中都用了哪些时态或有固定的搭配啊?我看不出来,请大家帮看看,我是初学者,请问have(haven't) Tommy's been to the toilet three time this morning.这句话为什么用现在完成时,不用一般过去时?既然句中出现明显的表示时间的状语,应该用一般过去时啊!为什么这里用现在完成时呢?如果是为了强调对 英语翻译要用到助动词的疑问句我怎么都搞不清楚.还有那么多时态.怎么办啊have ,have been,什么的一大堆.ucking 谁能和我仔细说说呀.能不能说i have been given the dog food to tommy 英语翻译Mom：Hello.Tommy：Hi,Mom.I need some things for class this afternoon.Can you bring them to school for me,please?Mom：Sure.Tommy：I need my math book...Mom：Math book?Where’s your math book?Tommy：Oh,it's on the dresser.And I need I think she's been to the bank. He's never been to the USA.(改为反义疑问句) He's never been to the USA,___ ____?