1. They quarreled for the first time yesterday, it is strange because they have been marriage for five years.
2. We have visited many interesting places so far, but we haven't visited lighthouse yet.
3. I had a serious car accident one year ago, I have been afraid to ride a bike since this time.
4. How much have you spend so far?
5. They have gone on holiday and they haven't got back yet.
6. You shouldn't be hungry, you have just eaten dinner.
7. He has been unemployed for two years.