Нужно составить предложения со словами, в указанных временах и используя нужные слова-сигналы:
1) An uncomfortable chair (Present Simple)
2) An incomplete story (Present Continuous)
3) An unknown land (Present Perfect)
4) An independent country (Past Simple)
5) An informal party (Past Continuous)
6) An unbuilt cottage (Past Perfect)
7) An unpopulated territory (Future Simple)
8) An inhospitable place (Future Continuous)