Complex sentence: Bachchan and Khan also hold the record for the highest number of Best Actor nominations in a single year, having been nominated thrice in 1979 and 1983 and Khan in 2005.
Split into simpler sentences: Bachchan and Khan also hold the record for the highest number of Best Actor nominations in a single year. Bachchan has been nominated thrice in 1979 and 1983 and Khan in 2005.