courage可数吗?she hasn't the courage to call him.句中courage为何带the?

courage可数吗?she hasn't the courage to call him.句中courage为何带the? courage可数吗?是可数名词还是不可数名词? dosen't have与hasn't区别?She dosen't have children.She hasn't children.这两句通用吗? she's done well,hasn't she? she hasn't taken her medicine yet?改为肯定句时,yet去掉吗? She hasn't shut the window yet中的shut是原型吗 she hasn't eaten _____sweet food ( No,she hasn't left.完成对话. 一道关于反义疑问句的题目She must have two brothers,（ 书上说可以用hasn't she?或者doesn't she,两种都可以,觉得很奇怪,这里have不是实义动词吗,怎么可以用hasn't she? Hasn't she decided to go to the party?回答：她还没决定回答应该怎么说?主要是用的是 hasn't 影响正常回答吗? She b________ with great courage when her husband died. She hasn't got any beef与She hasn't got much是不是一个意思 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 bravery与courage可以算是同义词吗? She has already known the result.(改为否定句）She ___ known the result ___.可以是hasn't ,before吗？ She hasn't read the book _____（至今）