Basic rib stitches like 1×1 and 2×2 simply alternate knit and purl stitches. Standard ribbing is easy to do and they look ...

Slip the first stitch knit-wise, then alternate knit then purl stitches as when working a (k1,p1) rib, but work all the knit stitches with one colour and all the purl stitches with the other until ...