1. He has never flown by plane 2. We have never taken
much luggage when we travel. 3. Mary has not bought a ticket yet. 4. I think
the vinegar witch has stolen all the mustard seeds in Spice Country. 5.
Why is your little sister crying ? 6. Did you find all the books in
this shop? 7. Did you understand everything? 8. Who will make
coffee? 9. Look! Little Nick has fallen down.