on condition that; supposing
whether
although
when(ever)
I'll be hanged if I ever give you anything.
出自: J. Carlyle
I'm blessed if I know.
出自: F. W. Crofts
If the fish smells clean..chances are it is fresh.
出自: C. Claiborne
I wasn't to worry if I found his tablets in the bathroom.
出自: O. Norton
误 I wonder if she found something.
正 I wonder if she found anything.
析 if引导的从句中,通常用any, anything, anybody, anywhere作从句的宾语,而不用some, something, somebody, somewhere。