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1 # 手機使用者86179493786
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2 # 手機使用者86179493786
1 虛擬現在時表示一個不一定會發生的情況，可以指現在的情況或將來情況或沒有時間的情況 If Mary have the money ,she will buy it.(But I DOUBT whether Mary has the money.)
2 虛擬過去時表示一個與現在、將來事實相反的假象情況：If Mary had the money, she would buy it.(But I know Mary HAS NOT the money.）
3 表示將來情況，還可用 were+不定式：
If he were to come,I should be absent from home.(But I know he WILL NOT come.)
4 表示將來情況，還可用should引起短語表示，表示實現可能性不大的情況，可譯為“萬一。。。。。。”，謂語動詞用will 或should
5 虛擬過去完成時表示一個與過去事實相反的假象情況，用“would+have+過去分詞”結構：If he had known it ,he wonld have told me.(But I know he DID NOT know it)
1 虛擬現在時表示一個不一定會發生的情況，可以指現在的情況或將來情況或沒有時間的情況 If Mary have the money ,she will buy it.(But I DOUBT whether Mary has the money.)
2 虛擬過去時表示一個與現在、將來事實相反的假象情況：If Mary had the money, she would buy it.(But I know Mary HAS NOT the money.）
3 表示將來情況，還可用 were+不定式：
If he were to come,I should be absent from home.(But I know he WILL NOT come.)
4 表示將來情況，還可用should引起短語表示，表示實現可能性不大的情況，可譯為“萬一。。。。。。”，謂語動詞用will 或should
5 虛擬過去完成時表示一個與過去事實相反的假象情況，用“would+have+過去分詞”結構：If he had known it ,he wonld have told me.(But I know he DID NOT know it)