1. I suddenly remembered where I’d left my keys while I was waiting for the bus.
=> Waiting.....................................................................................................................................................
2. I slipped because I was trying to run in the rain.
=> Trying.......................................................................................................................................................
3. I felt quite sorry for Tim when I saw him cry.
=> Seeing........................................................................................................................................................
4. John was depressed because he knew he was going to fail the exam.
=> Being...........................................................................................................................................................
5. Georgia didn’t know any Japanese, so she used a phrase book when she was there.
=>Not...............................................................................................................................................................
6. The reason why I’m quite good at basketball is that I’m quite tall.
=> Being...........................................................................................................................................................
7. Ed can afford three holidays abroad each year because he has a lot of money.
=> Having.........................................................................................................................................................
8. Maria began to worry when she realized she was lost.
=> Realizing......................................................................................................................................................