1. I (be) .......am... at school at the weekend
2. She ( Not study...doesn't study.... on Friday
3. My students (be not) ....aren't...... hard working
4. he (have) is having a new haircut today
5. I usually ( have) ..have... breakfast at 7:00
6. Does She (live) ....live... in a house?
7. Where are your children ?
8.My sister ( work) .....works.... in a bank
9. Dog ( like) ..likes... meat
10 She ( live)...lives.... in Florida
11. it ( rain) ........rains...... almost every day in Manchester.
12. We ( fly) .......fly.... to Spain every Summer
13. My mother (fry) ........fries...... eggs for breakfast every morning
14. The bank (close) ...closes.... at for o'clock
15. John (try).tries... hard in class, but I (not think) .don't think....... he'll pass

* am not (be) - You are not at school on weekends. (present simple negative)
 * doesn't study (not study) - She does not study on Fridays. (present simple negative)
 * aren't (be not) - My students are not hard working. (present simple negative contraction)
 * has (have) - He has a new haircut today. (present perfect)
 * have (have) - I usually have breakfast at 7.00. (present simple)
 * Does she live (live) - Does she live in a house? (present simple question)
 * are (be) - Where are your children? (present simple question)
 * works (work) - My sister works in a bank every day. (present simple)
 * likes (like) - Dogs like meat. (present simple)
 * enjoys living (live) - She enjoys living in Florida. (present continuous - expressing ongoing enjoyment)
 * rains (rain) - It rains almost every day in Manchester. (present simple - refers to habits or general truths)
 * fly (fly) - We fly to Spain every summer. (present simple - repeated action)
 * fries (fry) - My mother fries eggs for breakfast every morning. (present simple - habitual action)
 * closes (close) - The bank closes at four o'clock. (present simple - scheduled event)
 * tries (try), don't think (not think) - John tries hard in class, but I don't think he'll pass. (present simple - tries, present continuous - current thinking)
 * passes (pass) - Jo is so smart that she passes every exam without even trying. (present simple - habitual ability)
 * is, just watch (be, watch) - My life is so boring. I just watch TV every night. (present simple - state of being, present simple - habitual action)
 * writes (write) - My best friend writes to me every week. (present simple - repeated action)
 * Do you speak (speak) - Do you speak English? (present simple question)
 * doesn't live (not live) - She doesn't live in HaiPhong city. (present simple negative)
 * go (go) - They go home from school at 5 p.m. (present simple - habitual action)
 * never does (never do) - My cousin never does housework. (present simple - negative habit)
 * does your mother like (like) - Does your mother like fish? (present simple question)
 * chat (chat) - Her sisters chat in their room in the evening. (present simple - habitual action)
 * does your father go (go) - What time does your father go home from work? (present simple question)