Page 664 - Makino,Tsutusi.DictionaryOfIntermediateJGrammar

*: *?
(el gi z~B~~G-$~~I;$L@LTF;~~
(If he doesn't listen, threaten him a little.)

1. Yam is one of the "giving" auxiliary verbs meaning 'do s.t. for KO.'
However, it is also used when A does something undesirable to B
knowing that A's deed will cause B difficulty. For example, KS states
that the speaker teased Tadashi, with the implication that he knew that it
would make trouble for Tadashi. Compare KS with (I), which is a neu-
tral statement and conveys no such implication.
(1) $L122%fi'%fi'7ko
(I teased Tadashi.)
(+aged (DBJG: 65-67))
2. The subject of Vte yam is the first person in declarative sentences and
the second person in interrogative sentences, commands, requests, or
suggestions. (2) is ungrammatical unless the speaker / writer is totally
empathetic with Taro.

I. The auxiliary verb kurem, which usually means 'do s.t. for me,' is also
used when an action causes difficulty, as in [I]. Here, kurem expresses
strong feelings of unhappiness, anger, etc., on the side of the person
who is affected by the action.
[I] a. 'SrlI -d~kiLTeG-b~Zk%L7<fik0
(Jerry did a temble thing to me.)
b. 1 < 6 % % ~~VJ%!-T- < hfL ;h& [female speech]
(You really disgraced me!)
Note that in the above sentences the verb phrases tondemonai koto o
sum 'to do a temble thing' and haji o kakasem 'to disgrace' represent