She hasn't taken since her first vaccination.这句话是我拓词的时候看到的.vaccination n.接种拓词给出的翻译是【自从她第一次接种以来,疫苗一直没有发过.】查到的翻译是【自从她第一次接种以来,牛痘

grandma hasn't taken her medicine yet.Maybe she forgeot.(为什么?)grandma hasn't taken her medicine yet.Maybe she forgeot.为什么用hasn't,而不是hadn't?还有,为什么是forgot? she hasn't taken her medicine yet?改为肯定句时,yet去掉吗? she's done well,hasn't she? My grandma hasn't taken the subway.My grandpa hasn't taken the subway,either.同义句转换My grandma hasn't taken the subway ______ ________my grandpa It hasn't taken its eyes off you. It hasn't taken its eyes off you. she hasn't eaten _____sweet food ( No,she hasn't left.完成对话. She hasn't got any beef与She hasn't got much是不是一个意思 2道英语时态选择题 She hasn't had any trouble since she ____hereA isto live B living C had lived D livedPhoto _____ each time that button ______A.has taken; has pushed B has been taken ; has pushedC.is taken ; will be pused D is taken; is push She's lived in Australia,hasn't she?的解析, she has been to Japan,hasn't she 翻译：She has milked a cow before ,hasn't she dosen't have与hasn't区别?She dosen't have children.She hasn't children.这两句通用吗? people keep c__ about the air pollution,but the government hasn't taken any action She hasn't read the book _____（至今） 翻译She hasn't been speaking since 9 o'clock. 翻译She hasn't spoken since 9 o'clock.