1 If she has finished / finishes her work now,she may / can go home -------- 這是條件狀語從句,與虛擬語氣沒有關(guān)系.2 If she finishes / has finished her work before Monday,she will / may / can go on a fa...媽呀。。。真復雜。那能請問一下虛擬語氣和條件狀語從句有什么本質(zhì)上的區(qū)別嗎，為什么還要分家哪？虛擬語氣在時態(tài)上必須突出一般過去時和過去完成時。虛擬語氣往往指的是不可能做或完成的事情。例如：
1 Mary talks / talked to her brother as if / as though she WERE his mother ------ 指的是現(xiàn)在或者將來。（強調(diào)狀態(tài)方面）
2He told us about the Mars as if / as though he had been there himself --------- 指的是過去的事情。 （強調(diào)動作方面）喔喔 理解了 么么大you're welcome indeed