1. I always have to answer the telephones. I sometimes answer the telephones. I never get a break from answering the telephones.
2. I always work late. I never go home early. I sometimes go home early.
3. I go to the post office every Tuesday and Thursday. I go to the post office twice a week. I go to the post office every two weeks.
4. I only make mistakes periodically. I never make mistakes I sometimes make mistakes.
5. I always remember to proofread my letters before sending them. I never forget to proofread my letters before sending them. I often forget to proofread my letters before sending them.
Unit 73