1. traveled, explored, photographed, wanted, walked, stopped, waited, stayed, watched, returned

2. studied, crossed, started, watched, sailed, invented, married

3. I listened to music before school

played basketball

lived there

arrived at school early

rained every day

traveled alone

4. last weekend I started to wake up early

two years ago I wanted to become a doctor

yesterday I listened to music

last summer I played volleyball

yesterday morning I watched TV

last month rained every day