Unit 1 (quarter note + 2 eighth notes)
Unit 2 (dotted quarter note + 3 eighth notes)
Unit 3 (quarter note + eighth note)
Unit 6 and 7 (half note, quarter rest, and half rest)
Unit 8 and 9 (dotted half note, dotted quarter rest, and and dotted half rest)
Unit 13 (eighth note + quarter note)