The feet are walking, right, left, right, left, on the bass drum and stepped hi hat all the way though, until the last line, where it’s left foot hi hat on every beat.
Follow the sticking (R L R L) for the hands on the snare drum.
Either play as seperate exercises with a metronome, or as one continuous exercise through the whole sheet, with repeats.
Related: 10 rock and pop drum beats with quarter note stepped hi hats – 4 way co ordination