The letter "T" is the twentieth letter in the modern English alphabet. The English alphabet consists of 26 letters, each having an uppercase and lowercase form. The letter "T" is a consonant, which means it is produced by stopping the letter from flowing easily. The uppercase form of the letter "T" is "T," and the lowercase form is "t". The name of the letter "T" is "tee," and it is pronounced /ti:/ . The main sound of the letter "T" is /t/ .