I. Chia động từ trong ngoặc ở thì Hiện Tại Đơn (Present Simple tense) 1. I (be) at school at the weekend. 2. She (not study) 3. My students (be not) 4. He (have) 5. I usually (have) 6. Every morning, my mother (walk). on Friday. hard working. a new haircut today. breakfast at 7.00. in the park.
