Tolong dijawab ya !!!

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setau saya itu, yg ada di buku catatan saya jawabannya itu, maaf klo salah

Kalimat nominal(nominal sentence) adalah kalimat yg tidak mengandung kt .kerja ,e.g:
1.+ : Jokowi is a president
- : Jokowi is not a president
? : is Jokowi a president?
2. +: my mom is beautiful
-: my mom is not beautiful
?: is my mom beautiful?
3. + : You are a doctor
-: You are not a doctor
?: Are you a doctor?