Formal language and informal language are associated with
particular choices of grammar and vocabulary,
Contractions, relative clauses without a relative pronoun and
ellipsis are more common in informal language.
So, in these sentences…
1. She has decided to accept the job.
2. She’s decided to accept the job.
Answer:
1. Formal Language
2. Informal Language
Explanation:
For 1, it is formal language because it does not use short cuts and such. While 2 is informal language because She’s is a short cut for either She has or She is. I hope this helped a bit?? ^^