It’s better not to _____
Nai form verb + Houga ii desu
I have to ______
Verb nai form minus い
________________________kya ikemasen
I don’t have to _________
Nai form minus い
____________kute (u silent) mo ii desu
にほんごでかかなくてもいいです
Tokyo’s rent is the highest in Japan
Nihon no naka de tokyo ga ichiban ga takai desu
The train is faster than a taxi I
Taxi yori densha no houga hayai desu
Or
Densha no houga taxi yori hayai desu
Tokyo is full of people and lively
Tokyo hito ga ookute nigiyaka desu
I Adjective -kute
Na adjective -de
This ramen looks tasty
この ramen はやいおいしそうです