Treble crochet stitches
Half treble crochet (htc)
*yoh, insert the hook through the third chain from hook (or the next stitch of a working row) and yoh. Draw the yarn through the chain (or stitch) to have 3 loops on the hook.
yoh, draw the yarn through 3 loops on the hook to complete a htr stitch.
Repeat from * but on the next chain to create the next htr. There are 7 htr stitches in the picture.
Treble crochet (tr)
*yoh, insert the hook through the forth chain from hook (or the next stitch of a working row) and yoh. Draw the yarn through the chain (or stitch) to have 3 loops on the hook.
yoh, draw the yarn
through 2 loops on the hook.
yoh, draw the yarn through 2 remaining loops on the hook to complete a tr stitch.
Repeat from * but on the next chain to create the next tr. There are 6 tr stitches in the picture.
Double treble crochet (dtr)
yoh twice, insert the hook into the fifth chain from hook (or the next stitch of a working row), yoh, draw the yarn through the chain to have 4 loops on the hook.
yoh, draw the yarn through 2 loops the on hook. There are 3 loops left on the hook.
yoh, draw the yarn through 2 loops on the hook. There are 2 loops left on the hook.
yoh, draw the yarn through the last 2 loops on the hook to complete a dtr stitch.