Some English tests with answers can be found at English-Test.net, English Grammar Online and EnglishTestStore. These sites offer a variety of tests for speakers to gauge English proficiency, along with answers and explanations.
English-Test.net offers free tests focused on a variety of topics, including grammar, synonyms, usage errors, idioms and English for business. The site also hosts a range of practice tests for formal exams, such as the TOEFL, TOEIC, SAT and GRE. With over 2,000 tests made for a range of skill levels, from elementary to advanced, the site is a comprehensive resource for English learners or those looking to brush up on their skills.
English Grammar Online features tests centering mainly on grammar, from clauses and tenses to gerunds. The site allows users to focus on specific areas of their English grammar that need work, with tests on the past progressive, simple present, infinitives and more. English Grammar Online also organizes its tests by level, so users can concentrate on a specific subject even if they are not advanced speakers.
EnglishTestStore offers a large selection of tests in subjects such as grammar, listening, reading, speaking and vocabulary. The site also features test prep for English exams such as the TOEFL and TOEIC, as well as options to download tests for offline use. EnglishTestStore also offers mobile apps for iPhone and Android.