Answer:
we need the rest of the question
Inflectional morphemes change what a word does in terms of grammar, but does not create a new word. The inflectional morphemes -ing and -ed are added to the base word skip, to indicate the tense of the word. If a word has an inflectional morpheme, it is still the same word, with a few suffixes added.
Answer:
You must stay in bed and rest
You mustn't run around and play around