1. They (to do) the work. 2. They (to do) the
work for many hours. 3. He (to learn - Hayunca)
to use these tools. 4. He (to learn) to use these
tools since that time. 5. She (to live) here for many
years. 6. We (to send) all our money. 7. We (to
play) two games. 8. We (to play) football since ear-
ly morning.