Use the given verbs in the grammatically appropriate form to complete the text

Ash tree in Britain [ ] for extinction. Gradually, these trees [ ] by fungus and beetles. Apparently, these trees are likely [ ] in Europe. Many tourists [ ] by ash trees that are part of British landscape. Only the oak [ ] to be more common. The ash tree may [ ] out in the vast territory from Scandinavia to Italy. The fungus and the beetles [ ] to have reached Sweden already. This means that 1,000 species can [ ] extinct in the future. These species [ ] 12 types of birds, 55 mammals and other types. They may [ ] out if the ash tree [ ] forever.