Meaning: He allowed the older woman to sit in the place where he was sitting.
Choice of Words: Give means to transfer something from one person to another. Seat is the place where you sit. Old is a word that describes the age of the lady.
Alternative Expressions
The old lady was given a seat by him.
Meaning: This means that the old lady received a seat from him. It's like saying, He gave a seat to the old lady.
Choice of Words:The old lady is the subject of the sentence and it refers to the person who received the action. Was given is the verb and it means to receive something from someone. A seat is the direct object and it refers to the thing that was received. By him is a prepositional phrase and it shows who performed the action.
A seat was given to the old lady.
Meaning: This means that a seat was transferred to the old lady. It's like saying, Someone gave a seat to the old lady.
Choice of Words:A seat is the subject of the sentence and it refers to the thing that was transferred. Was given is the verb and it means to receive something from someone. To the old lady is a prepositional phrase and it shows who received the action.