Exercise on Past Perfect Progressive Form negative sentences in Past Perfect Progressive. the dog / bark→ you / to the radio / listen→ you / cards / play→ you / in the garden / work→ Christine / her home / decorate→ we / on the lake / sail→ Tina /paint→ we / in a forum / chat→ he / the problem / discuss→ they / a hole / dig→ Back to pool of exercises. ►