Page 210 - Easy Japanese - Learn to Speak Japanese Quickly! (TUTTLE)

Eigo ja nai → Eigo ja nakute, Nihon-go desu.
It’s not English; it’s Japanese.
Takaku nai → Takaku nakute, yokatta desu.
I’m glad it wasn’t expensive. (It wasn’t expensive and I’m glad.)

Also note that the -tai form of verbs are adjectives as well, and the -te form
follows the adjective pattern, namely changing -tai to -takute and -taku nai to -
taku nakute.
Tabetai → Sushi ga tabetakute, chūmon-shita.
I wanted to eat sushi and so I ordered it.

Shitaku nai → Benkyō-shitaku nakute, terebi o mita.
I didn’t want to study and so I watched TV.

Relative Time Words

Time expressions such as san-ji “3 o’clock” and mik-ka “the 3rd” indicate
specific points in time. In contrast, expressions such as kyō “today” and ima
“now” refer to relative times defined by their relationship to the timing of a
statement. These relative time words usually do not require the time particle ni.
Compare:

Ashita shimasu. I’ll do it tomorrow.

Do-yōbi ni shimasu. I’ll do it on Saturday.

The chart below lists the most common relative time expressions. Please note the
regular elements such as mai “every X”, sensen “X before last”, sen “last X”,
kon ’this X”, rai “next X”, sarai “X after next”.

Relative Time Words