Capital Letters of English. Grammar Index : 2 The Alphabets can be written both in Capital Letters and in Small Letters. Letters are the symbolic representation of a language. In English, there are 26 letters. They are otherwise called Alphabets. Capital Letters are : A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y and Z.