用所给词正确形式填空Ifsheonebilliondollars,shewouldbuythesupermarket（have）虚拟语气中不是主句要用were吗告诉下为什么谢谢

Question

用所给词正确形式填空If she____one billion dollars,she would buy the supermarket （have）
虚拟语气中不是主句要用were吗 告诉下为什么谢谢

Answer 1

had你记混淆了.if条件虚拟有三种,分别是对过去、对现在及对将来：过去：if sb.had done sth,sb.would have done sth.现在：if sb.did sth,sb would do sth.将来：if sb.were to / should do sth,sb.would do sth.而...