if:conj.1.(表示条件)如果 He will come if you invite him.如果你请他,他会来的.2.(表示虚拟)假如,要是 If I were you,I would never do that.如果我是你,我决不做那件事.3.(表示让步)即使 We'll go even if it rai...
if:conj.1.(表示条件)如果 He will come if you invite him.如果你请他,他会来的.2.(表示虚拟)假如,要是 If I were you,I would never do that.如果我是你,我决不做那件事.3.(表示让步)即使 We'll go even if it rai...