Exercise on Past Perfect Simple Form positive sentences in Past Perfect Simple. he / the question / answer→ Anna / the window / open→ we / the door / open→ Fiona / her grandma / visit→ she / her teeth / brush→ you / the car / repair→ my sister / our dog / feed→ they / their car / sell→ he / the mouse button / click→ they / a new gadget / invent→ Back to pool of exercises. ►