1.Have you written down his e-mail address?
2.How long have you been working for this company ?
3.Have you been to the supermarket?
4.We have not had such a snowy winter since my daugther was born
5.It has been snowing since yesterday morning.
6.I have been trying to catch a taxi for a hour now.
7.Have you passed your driving test yet?
8.We have stayed at this hotel several times.
9.The war has been raging for 9 months now.