Only among the oldest speakers is Tanacross the language of daily communication.
"Well, we practice with big old speakers right behind us, so we knew what to expect," Smith said.
Items in brackets are not normally used by older speakers.
Nevertheless, some older speakers, especially in north Northumberland, still use it regularly.
Schools were instituted to substitute for the political conflict that had formed the old speakers.
The report found that older non-English speakers also had problems.
Next to the video monitor is an old speaker.
"Tuataras" remains common in less formal speech, particularly among older speakers.
Another speaker also remembers that this distinction formerly was made by older speakers.
The last of the old native speakers died in 1974.