Open never (to fly) by plane. 2we never (to take)much luggage when we travel.3mary (not to buy)a ticket yet.we can't (to fly )to yalta.4i think the vinegar witch (to steal)all the mustard seeds in spice country. 5why is your little sister (to cry)? 6you (to find) all the books in this shop? 7you (to understand )everything? 8who (to make )the coffee? 9 .look! little nick (to fall down ).