1. As I was crossing the road, I stepped on a banana skin and fell heavily.
2. He usually wears sandals but when I saw him he was wearing boots
3. Have you ever been to Europe?
Yes, I have. I have been to Europe several times. I was in Europe last year.
4. Did you remember to book seats?
Oh no. I forgot. I will telephone for them now.
5. Leave a note for them on the table and they will see it when they come