1.I 've beeen waiting for you.

2.I have been looking for a necklace to wear with my new dress.

3.Have you been searching online?

4.Has your sister been helping you?

5.She has been watching TV all afternoon as usual.

6.She has not been doing anything helpful at all.

7.I have been shopping in town and I've just seen the perfect necklace for you in the secon-hand shop.

8.I have been thinking about that shop all week.