Through acquisition they were sufficiently aware of which structures were possible and which were not, without having had any explicite grammar training.
Lunch is our secret weapon. Agen is at the heart of a region reputed for its good food and there is almost a surplus of excellent but inexpensive restaurants. We encourage participants to choose one and go to lunch together. Instead of grabbing a sandwich and rushing back, we want them to take their time over lunch, to enjoy the food and process what they have seen and learned, sharing their thoughts and exchanging ideas, asking questions and giving themselves time to absorb a very different way of viewing their profession.