英语语法 本句中的their models being.为什么是being?用are 行不行?The painting shows a serious-looking man and a woman standing alongside him in front of a farmhouse,their models being respectively the painter’s dentist and sister.本

英语语法 本句中的their models being.为什么是being?用are 行不行?The painting shows a serious-looking man and a woman standing alongside him in front of a farmhouse,their models being respectively the painter’s dentist and sister.本 哪本英语语法书比较好?适合初、高中的 风险管理中的model 一些关于初一的英语语法问题1、He doesn't have lunch at school every day.为什么句中的have不是第三人称单数的has? 2、How often does he eat out?为什么句中的eat没加s? 3、People usually spends their time with their rat 怎样区分英语语法中的if条件句是真实条件句还是非真实条件句? 如何使用matlab中的model 本句英语语法是否正确I can Competent to this job. 英语语法：How wonderful a you have made.本句哪里错误 谁能介绍本高中的英语语法书我的英语基础很不好... 英语语法中的强调句和倒装句怎么判断?有没有规律总结 这句英语语法上有没有问题.有的话怎么改.It’s very bad for their health and reduces the time talking with their families 英语语法的问题 哪句正确 为什么?they are struggle with their job hunting they are struggling with their job hunting 要不要加ing 为什么 英语语法 倒装句 英语语法并列句讲解 英语语法中的各种时态 英语语法中的主谓宾 高中的英语语法 初高中的英语语法