he`s been skating for four hours 改为否定句

he`s been skating for four hours 改为否定句 How long has alison been skating?How long has alison been skating?She's been skating for five hours.How long did sam skate?he skated for four hours.我要解释的是那四句 因为本人英语差 所以请你们告诉哈我 回答了还有加分 what is han s thought when he first started skating she's been skating for five hours 为什么is been for都不用翻译 How long did you sleep last night?什么意识还有When did you start class today?how long have you been in class today?How long has Alison been skating?she's been skating for five hours.How long did Sam skate?He skated for four hours.是什么意 He has been skating for five hours.(用since改写句子) He has been skating___ ___ ___ ___ He has been skating since.的同义句He has been skating_____ _____ _____He has been skating since two hours ago.的同义句He has been skating_____ _____ _____ 还有一个噢,How long has he been skating?也是答语三种哦 . Next is Sam ,and he has been skating for four hours 关于八年级英语的一个问题.i‘ve been skating for five hours.和.she’s been skating for five fourshave been doing sth是现在进行完成时,那she’s been skating for five fours.为什么是be been skating 这是人教版新目标八 He's been studying there for （two whole hours）?对括号提问I missed the train （an hour ago） （ 同上）He skated from 7:00 to 9：00 yesterday （同上）He has been skating for four hours （否定句）He ___ ____ ____ for four hours She has been working for 20 hours【否定回答】--- She --- working for 20 hours No--- ---- [----这个是空格子 就是叫你填的东西] 2题 I've been skating since i was six years old【提问】 --- --- --- you been skating?3题 Tom ran fo 翻译中文：As a boy,he often went skating in winter.what's the weather like? How long has he been skating?答语三种,一个是for 一个是since（两种） Alison has been skating for five hours. i have been skating since nine years How long __ Leo__ yesterday? He was very tired when he was back from the skating club.A did; skate B has ; been skating 选择哪一个,我认为A是 正确的,但答案是B.为什么? He's been中的He's 怎么发音He has been 缩写时He's been,He's 怎么发音 是不是[hiz]