<p>1.) When you got sick, had you been eating (you/eat) enough?</p>
<p>2.) There was water everywhere. What had the children been doing (the children/do)?</p>
<p>3.) Had it been raining (it/rain) when you left the restaurant?</p>
<p>4.) How long had she been living (she/live) in London when she found that job?</p>
<p>5.) Why had you been studying (you/study) so hard?</p>
<p>6.) Why was the house so messy? What had she been doing (she/do)?</p>
<p>7.) How long had we been waiting (we/wait) when the bus finally arrived?</p>
<p>8.) How long had he been playing (he/play) football when he was injured?</p>
<p>9.) Had I been working (I/work) that day?</p>
<p>10.) Had she been seeing (she/see) him for long when they moved to Paris?</p>