Page 596 - Makino,Tsutusi.DictionaryOfIntermediateJGrammar

b. iEf2-2E3-5,
(We will make the temperature constant.)
8/rV+< h< C*3
[2] a. - 1.'JbCZ E ktP323-6.
(Let 1 dollar be Y360.)
b. -1.'~l.cEBk-tP3CcbB,
(We will make 1 dollar Y360.)
The choice of the particle ni indicates that the speaker causes the
change, whereas the choice of the particle to indicates that the speaker
simply assumes a certain state of the matter. So if the speaker cannot
make an assumption about something, the use of to is ungrammatical,
as shown in [3] and [4].
Z)JP AT
[3] ikQ* (E /*21 3-5,
(We make ice into water.)
? lt3=+
[41 IEEW~~~SJLB?%E. ~CC /*&I ~ 5 ,
(The wizard will change a frog into a prince.)
11. To sureba /sum to can be contrasted with to nareba / naru to, with dif-
ference of meaning. The former expresses an assumption, but the latter
expresses a reality, as shown in [5] and [6] below:

b. -El G:XB?.~'JLB%T~ & 2 (ah[$/ Qb21, 4WRT
S33T7h.a
(If we can drive 500 miles per day, how many days will it
take to get there?)