May, may or must? Could you help me, please?

Hello guys ..:-D I have it and I have put "may can or should. "I did it … but I'm not really sure. … I'm Italian you're English … Can you fix this text please? Thank you to the site owners a lot of camp can sometimes restrict the use of babecues, especially if the weather is dry, when it might be a risk fire. chairs and outdoor tables are available for rental on almost all sites. These must be booked in advance. During the winter months, fuul range of facilities are not available on all sites. Inevitably, some details of what may have changed since the brochure information has been printed.

The problem with this exercise is that there is more than one correct answer. camp site owners should / can sometimes restrict the use of babecues, especially if the weather is dry, when it can / could a fire hazard. chairs and outdoor tables are available for rental on almost all sites. They can and should be reserved in advance. During the winter months, fuul range of facilities can / could do not be available on all sites. Inevitably, some details in this brochure may / may have changed since the information has been printed.

Amazing Wilderness Camp Chair

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What To Bring When You Go Camping.wmv