TKT is a series of modular teaching qualifications which test your knowledge in specific areas of English language teaching. It will help you to build your confidence, and is a cost-effective way to get an internationally recognized qualification. Whether you are a new teacher or have years of experience, TKT is ideal for people who need to prove their teaching knowledge with a globally recognized certificate. Details are at https://www.cambridgeenglish.org/teaching-english/teaching-qualifications/tkt/