Jawaban:

1. (+) She writes a letter in the room.

(-) She doesn't write a letter in the room.

(?) Does she write a letter in the room?

2. (+) The teacher explains the lesson very carefully.

(-) The teacher doesn't explain the lesson very carefully.

(?) Does the teacher explain the lesson very carefully?

3. (+) Andini and Rini study together.

(-) Andini and Rini don't study together.

(?) Do Andini and Rini study together?

4. (+) They clean the classroom.

(-) They don't clean the classroom.

(?) Do they clean the classroom?

5. (+) Alin and Ani buy books in the bookstore.

(-) Alin and Ani don't buy books in the bookstore.

(?) Do Alin and Ani buy books in the bookstore?

Penjelasan:

Simple Present Tense

Positive: S + V + O + Adv

Negative: S + Don't/Doesn't + V + O + Adv

Interrogative: Do/Does + S + V + O + Adv + ?

Jika subjek berjumlah satu orang seperti she atau the teacher;maka gunakan suffix -s di akhir verb sepertiwrites, gunakan doesn't, dan gunakan does.

Jika subjek berjumlah lebih dari satu orang seperti Andini and Rini atau they; maka tidak memerlukan suffix -s di akhir verb seperti clean, gunakan don't, dan gunakan do.