Exercise on Present Perfect Progressive Form negative sentences in Present Perfect Progressive. she / that bag / carry→ Albert / squash / play→ Fiona / her grandma / visit→ we / our rooms / clean→ Christine / her home / decorate→ you / your bag / pack→ we / on the lake / sail→ the children / on the floor / sleep→ she / her room / tidy→ he / the problem / discuss→ Back to pool of exercises. ►