my son aged 4 has severe autism. is completely non verbal. he attends special needs nursery which is great. they're trying to teach him pecs. which he is getting the hang of them well. they're also trying to teach him makaton but he has no interst in learning this and can be quite difficult. how do you communicate with you lo? any tips or advice would be greatly apprechiated. its so frustrating for both of us and usually ends with lots of tantrums if i dont know what he wants.
many thanks