1. looks through/ he is looking / it is / it takes
2. spent/ spending /had a good time
3. ski/ goes skiing/ was writing /skied
4.is/ sit/ was / sunbathed
5 went out / was shining /were flying / were singing
6. is fond of/ played
7. She is/ locks up/ goes/ looks/ hiding /hide/ said / believed /was/ found /was