Can you tick more than one box or do you need two forms?
The French Government website in fact encourages people to do as much as they can in a single outing rather than go out twice.
This is stated in the Vie Quotidienne section of https://www.gouvernement.fr/info-coronavirus (French only)
If you have a question send it to firstname.lastname@example.org
We will answer as many as time allows over the next few days.