You can apply for a long residence ILR if you have lived in the UK continuously for 10 years. In addition, you have also followed the terms of the visa. You should also have proof of your English language proficiency. Besides that, you should have also passed the test about ‘life in the UK’. You should also meet the continuous residency requirement there too. These are the things required for Long Residence ILR. https://www.visaandmigration.com/service/long-residence-ilr/25.html