Fractional or uneven time
Beat 3-in-a-measure, merely making the third beat one-eighth note longer.
Beat 2-in-a-measure, merely making the second beat one-eighth note longer.
The Hymn of Jesus:—Gustave Holst (Copyright 1920 by Stainer and Bell, London)
Beat 4-in-a-measure, merely making the fourth beat one-eighth note longer.