Omissions involving double consonants and are described separately below. The letter most frequently omitted by L1 users, amounting to about 20% of the total of omissions, is as in bain, magerine and execise. Since the L1 users undoubtedly have non-rhotic British accents, before a consonant or silence does not correspond to /r/; 14 out of the total of 24 mistakes involve ‘silent’ s of this type, 8 . is rarely omitted by the L2 users, the only examples being carrees sp, coner ch, county (country) ge and intenational ?; indeed some of the L2 learners may have an American rhotic accent.