Page 507 - Basic Japanese

Raishū no shibai e ikitai kara, kippu o katte oite kudasai.

I want to go to the play next week, so please
buy tickets (in advance).

Ani wa PC o ichinichijū tsukete okimasu.
My brother leaves his PC on all day.

Notice the difference in meaning between the gerund +

shimau and the gerund + oku: shimau suggests completion
and thoroughness; oku suggests preparatory action in

anticipation of later consequences or benefits.

Tegami o kaite shimaimashita.

I got the letter (all) written. I finished (writing)

the letter.

Tegami o kaite okimashita.

I got the letter written (so that it would be done,
for some later consequence). I wrote the letter

and put it aside. I wrote the letter in advance.

10.10. … …wake

The noun wake means ‘meaning,’ ‘reason,’ ‘explanation,’

‘case,’ or ‘special circumstances.’ It is often used in
explaining a situation.