When the manner meaning is expressed by a free relative clause, this obligatorily precedes the main clause (a). When the manner meaning is expressed by a simple adverbial clause, this follows the main clause (b).
rel
a. ix2 explain how rice ix1 cook done
‘I cooked the rice the way you explained to me.’
b. ix3 3speak1++ ix1 identical ix1 child
‘He speaks to me as if I was a child.’