Jawaban:

1. Rina is cooking in the kitchen now.

2. He is listening to music now.

3. They are playing badminton now.

4. They are watching tv now.

Penjelasan:

Itu semua adalah bentuk kalimat Present Continuous Tense.

Rumus Present Continuous Tense:

A. Positif : subject + to be (am, is, are) + Verb – ing + object + adverb of time (Now / today)

Contoh : I am watching TV now.

B. Negatif : subject + to be + not + verb – ing + object + adverb of time (Now / today)

Contoh : Mr. Bean is not going to Jakarta now. atau Mr. Bean isn’t going to Jakarta now.

C. Interogatif  : to be + subject + verb – ing + object + Adverb of time (Now / today)

Contoh : Is Mr. Bean going to Jakarta now?

Semoga membantu ya.