1 - Change the sentences to the negative and interrogative form:
a) We had been running for an hour when the rain started.
Neg.: We had not (hadn’t) been running for an hour when the rain started.
Int.: Had we been running for an hour when the rain started?
b) I had been working all day when I decided to go out.
Neg.: __________________________________________________________________
Int.: ___________________________________________________________________
c) Bill had been living here for years when he moved to Florida.
Neg.: __________________________________________________________________
Int.: ___________________________________________________________________
d) Our pool pump had been running properly before that big storm.
Neg.: __________________________________________________________________
Int.: ___________________________________________________________________
e) He had been eating all day before he felt ill.
Neg.: __________________________________________________________________
Int.: ___________________________________________________________________
f) Ray had been trying to fix his computer before he bought a new one.
Neg.: __________________________________________________________________
Int.: ___________________________________________________________________
g) I had been waiting for hours when the bus finally arrived.
Neg.: __________________________________________________________________
Int.: ___________________________________________________________________
h) She had been expecting the worst when the help finally came.
Neg.: __________________________________________________________________
Int.: ___________________________________________________________________
i) The boss had been talking to his staff when he decided to take a break.
Neg.: __________________________________________________________________
Int.: ___________________________________________________________________
j) Martha had been training for hours before she broke her leg.
Neg.: __________________________________________________________________
Int.: ___________________________________________________________________