1. She teaches in a local secondary school.
(-) She doesn't teach in a local secondary school.
(?) Does she teach in a local secondary school?
2. Mark does homework in the evening.
(-) Mark doesn't do homework in the evening.
(?) Does Mark do homework in the evening?
3. We play football in the playground after school.
(-) We don't play football in the playground after school.
(?) Do you play football in the playground after school?
4. You always run fast in the class.
(-) You don't always run fast in the class.
(?) Do you always run fast in the class?
5. Tim and Lucas work at weekends.
(-) Tim and Lucas don't work at weekends.
(?) Do Tim and Lucas work at weekends?
Cấu trúc câu thì hiện tại đơn:
(+) S + V(s/es) + O
(-) S + don't/doesn't + V
(?) Do/Does + S + V?
với S (Subject): Chủ ngữ
V (Verb): Động từ
O (Object): Tân ngữ