16 Mettez les verbes au prétérit en be +V-ing.
a. It was already late. We … asleep. (fall)
b. While they … under the tree, a bird landed on a branch. (sit)
c. As he … the ball, the goalkeeper hurt himself. (catch)
d. I can still tell you what Jess … that day. (wear)
e. We saw a scar on her arm when she … her coat. (take off)
f. It was shown that the company … evidence. (hide)