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Institute of English Speech and Drama Sri Lanka crest
Institute of English Speech
and Drama Sri Lanka

Time prepositions: separate answers

Complete the student work first. Open tasks have model answers; other natural, relevant answers may be correct.

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Worksheet 1: answers and reasons

A. Choose in, on or at

  1. at
    Use at for clock time.
  2. on
    Use on for a named day.
  3. in
    Use in for a month.
  4. in
    Use in for a year.
  5. in
    Use in for a part of the day.
  6. at
    Use at for a fixed time expression.
  7. on
    Use on for a date.
  8. at
    Use at for the general expression at night.
  9. on
    Use on for a specific day and part of the day.
  10. in
    Use in for a month.

B. Is a preposition needed?

  1. -
    No preposition before next.
  2. -
    No preposition before last.
  3. -
    No preposition before every.
  4. -
    No preposition before tomorrow.
  5. -
    No preposition before this.
  6. in
    Use in for a general part of the day.
  7. on
    Use on for a specific day and part of the day.
  8. at
    Use at for this point in the day.
  9. in
    Use in for a century.
  10. on
    Use on for a named day.

C. Correct the time preposition

  1. We start class at 8:30 a.m.
    Use at for clock time.
  2. The test is on Monday.
    Use on for a named day.
  3. My birthday is in July.
    Use in for a month.
  4. We moved here in 2022.
    Use in for a year.
  5. I read in the evening.
    Use in for a part of the day.
  6. The shop closes at noon.
    Use at for a fixed time expression.
  7. The meeting is on 14 May.
    Use on for a date.
  8. I sleep at night.
    Use at for the general expression at night.
  9. We play cricket on Sunday morning.
    Use on for a specific day and part of the day.
  10. It rains a lot in October.
    Use in for a month.

D. Build a complete sentence

  1. We start class at 8:30 a.m.
    The complete sentence uses at for clock time.
  2. The test is on Monday.
    The complete sentence uses on for a named day.
  3. My birthday is in July.
    The complete sentence uses in for a month.
  4. We moved here in 2022.
    The complete sentence uses in for a year.
  5. I read in the evening.
    The complete sentence uses in for a part of the day.
  6. The shop closes at noon.
    The complete sentence uses at for a fixed time expression.
  7. The meeting is on 14 May.
    The complete sentence uses on for a date.
  8. I sleep at night.
    The complete sentence uses at for the general expression at night.
  9. We play cricket on Sunday morning.
    The complete sentence uses on for a specific day and part of the day.
  10. It rains a lot in October.
    The complete sentence uses in for a month.

E. Answer about your life

  1. Model: I start work at 9 a.m..
    Model only. Check the preposition; do not add one before every, next or tomorrow.
  2. Model: I have a class on Monday.
    Model only. Check the preposition; do not add one before every, next or tomorrow.
  3. Model: I celebrate my birthday in August.
    Model only. Check the preposition; do not add one before every, next or tomorrow.
  4. Model: I eat lunch at noon.
    Model only. Check the preposition; do not add one before every, next or tomorrow.
  5. Model: I read in the evening.
    Model only. Check the preposition; do not add one before every, next or tomorrow.
  6. Model: I meet a friend on Saturday morning.
    Model only. Check the preposition; do not add one before every, next or tomorrow.
  7. Model: I go to bed at 10 p.m..
    Model only. Check the preposition; do not add one before every, next or tomorrow.
  8. Model: I take a holiday in December.
    Model only. Check the preposition; do not add one before every, next or tomorrow.
  9. Model: I practise English every day.
    Model only. Check the preposition; do not add one before every, next or tomorrow.
  10. Model: I go shopping next week.
    Model only. Check the preposition; do not add one before every, next or tomorrow.

Worksheet 2: answers and reasons

A. Choose in, on or at

  1. at
    Use at for clock time.
  2. on
    Use on for a named day.
  3. in
    Use in for a month.
  4. in
    Use in for a year.
  5. in
    Use in for a part of the day.
  6. at
    Use at for a fixed time expression.
  7. on
    Use on for a date.
  8. at
    Use at for the general expression at night.
  9. on
    Use on for a specific day and part of the day.
  10. in
    Use in for a month.

B. Is a preposition needed?

  1. -
    No preposition before next.
  2. -
    No preposition before last.
  3. -
    No preposition before every.
  4. -
    No preposition before yesterday.
  5. -
    No preposition before this.
  6. in
    Use in for a general part of the day.
  7. on
    Use on for a specific day and part of the day.
  8. at
    Use at for this point in the day.
  9. in
    Use in for a decade.
  10. on
    Use on for a named day.

C. Correct the time preposition

  1. The film starts at 6 p.m.
    Use at for clock time.
  2. We have English on Wednesday.
    Use on for a named day.
  3. The course begins in January.
    Use in for a month.
  4. She was born in 2010.
    Use in for a year.
  5. We exercise in the morning.
    Use in for a part of the day.
  6. The train leaves at midnight.
    Use at for a fixed time expression.
  7. The event is on 6 June.
    Use on for a date.
  8. Owls often hunt at night.
    Use at for the general expression at night.
  9. The party is on Friday evening.
    Use on for a specific day and part of the day.
  10. We travel in December.
    Use in for a month.

D. Build a complete sentence

  1. The film starts at 6 p.m.
    The complete sentence uses at for clock time.
  2. We have English on Wednesday.
    The complete sentence uses on for a named day.
  3. The course begins in January.
    The complete sentence uses in for a month.
  4. She was born in 2010.
    The complete sentence uses in for a year.
  5. We exercise in the morning.
    The complete sentence uses in for a part of the day.
  6. The train leaves at midnight.
    The complete sentence uses at for a fixed time expression.
  7. The event is on 6 June.
    The complete sentence uses on for a date.
  8. Owls often hunt at night.
    The complete sentence uses at for the general expression at night.
  9. The party is on Friday evening.
    The complete sentence uses on for a specific day and part of the day.
  10. We travel in December.
    The complete sentence uses in for a month.

E. Answer about your life

  1. Model: I start school at 7:30 a.m..
    Model only. Check the preposition; do not add one before every, next or tomorrow.
  2. Model: I have a meeting on Friday.
    Model only. Check the preposition; do not add one before every, next or tomorrow.
  3. Model: I begin a course in January.
    Model only. Check the preposition; do not add one before every, next or tomorrow.
  4. Model: I finish work at 5 p.m..
    Model only. Check the preposition; do not add one before every, next or tomorrow.
  5. Model: I exercise in the morning.
    Model only. Check the preposition; do not add one before every, next or tomorrow.
  6. Model: I visit a cousin on Sunday afternoon.
    Model only. Check the preposition; do not add one before every, next or tomorrow.
  7. Model: I watch a film at 8 p.m..
    Model only. Check the preposition; do not add one before every, next or tomorrow.
  8. Model: I take a trip in July.
    Model only. Check the preposition; do not add one before every, next or tomorrow.
  9. Model: I read English every evening.
    Model only. Check the preposition; do not add one before every, next or tomorrow.
  10. Model: I call a friend tomorrow.
    Model only. Check the preposition; do not add one before every, next or tomorrow.