The possessive form of the singular noun 'general manager' is general manager's.
Example: The general manager's office is on the second floor.
The possessive form of the singular noun general is general's.Example: That appears to be a general's car.
The singular possessive is facility's.Example: The facility's manager has to approve this purchase.
trip of the manager - manager's trip
That would be "general's."
Major General's would be singular possessive. Such as: The Major General's decision could change the lives of his men. Plural possessive would be Major Generals', with the apostrophe after the s.
Quantum is singular, not singular possessive. The singular possessive form is quantum's.
In general, to form a singular possessive of a noun, one adds "'s" to the word, as in "Bob's." By contrast, possessive pronouns never take apostrophes - its, his, hers, theirs, etc.
Museum is singular. Museum's is singular possessive. Museums is plural. Museums' is plural possessive.
The singular possessive pronouns are "my," "mine," "your," "yours," "his," "her," and "its."
The singular possessive of dish is dish's
The singular possessive is Martin's.
The singular possessive is fish's.