 but

is actually pronounced as if it were

In the formal language some pronouns are considered optional, but in spoken language the pronoun is usually enunciated but may be optional when answering questions (which puts the person in the proper context).In the latter example, dropping "me" would change the meaning from a statement to a suggestion

Compare the conjugation of OLLA in the formal language (Table 1) and in the spoken or colloquial language (Table 2).Table 2 shows in highlights the areas where there are differences in the structures between formal and informal.