Morphology the branch of grammar that deals with the forms of words and their formation, as by inflection or derivation
Whenever you're leaving a phone message, you should speak clearly, spell your name, state your purpose, and: C. Leave your phone number. That is the professional way. Hope that helps.
Examples, one with a comma and one without:
Shakespeare was born in Stratford and went on to write Hamlet.
Shakespeare was born in Stratford, later writing Hamlet
In terms of the first question, "They" would be an objective pronoun, but it should be noted that this does not have to be so. for the second, the answer is "my".
