By vs Until worksheet

1. 1.
   The essay must be submitted Monday.a) untilb) by
2. 2.
   We stayed at the party 2 am.a) untilb) by
3. 3.
   I'll have finished the report Friday.a) byb) until
4. 4.
   The museum is open 5 pm.a) byb) until
5. 5.
   Can you let me know tomorrow?a) byb) until

1. 1.
   Please reply until Monday.
2. 2.
   I'll wait for you by 8.
3. 3.
   I have to finish this until tomorrow.

Write two sentences about your own life: one with By and one with Until. Then explain the difference to a partner.

1. 1.b) by Submitting happens once, before the deadline.
2. 2.a) until Staying continued up to 2 am.
3. 3.a) by Finished at some point before Friday.
4. 4.b) until Being open continues up to 5 pm.
5. 5.a) by Letting someone know happens once, before the deadline.

1. 1.Please reply by Monday. Replying happens once, before the deadline.
2. 2.I'll wait for you until 8. Waiting continues the whole time up to 8.
3. 3.I have to finish this by tomorrow. Finishing is a single action before a deadline.

Answers will vary. Check that each sentence follows the rule on page 1, or paste them into Clarigram to have them checked.