This kind of ellipsis, where the subject pronoun and an auxiliary is omitted, is part of the bigger topic of ellipsis. What has happened is that the pronoun 'I' and the auxiliary verb 'am' has been ellipted out.
Your question is asking about 'ellipsis of subject pronoun + auxiliary', which is a topic that comes up often on grammar and linguistics forums/sites. In Toy Story 3, the kid says 'Coming!' instead of 'I am coming!' to her mother.ġ.) Can I say 'Coming!' instead of 'I am coming!' in English?Ģ.) If I can, when can I remove the subject and verb?ģ.) And would this be considered standard English? In some languages we can remove the subject (and sometimes a verb too) from a sentence. QUESTION: Can I say “Coming!” for “I am coming!”, and why?