The Inspector - [Morality / Responsibility] - "Speak carefully, weightily"
The use of the adjective "weightily" evidences the impact of the Inspector's moral message. Also, speaking "carefully" directly contrasts Mr Birling, who speech is diluted with dashes and hesitations
The Inspector - [Morality / Responsibility] - "If you're easy with me, I'm easy with you"
use of parallelism in this phrase is, perhaps, symbolic for the Inspector's message. This sense of equality and treating others how you with to be treated is inherently socialist
The Inspector - [Morality / Responsibility] - "Yes, but you can't. It's too late. She's dead.
Uses short sentences and a terse triplet of expressions to convey an impactful message and express the need for radical change
The Inspector - [Morality / Responsibility] - "Public men, Mr Birling, have responsibilities as well as privileges"
Structure of the sentence puts responsibilities before privileges
Inspector reminds Birling he cannot do as he pleases without considering the potential consequences
The Inspector - [Morality / Responsibility] - "Their lives, their hopes and fears, their suffering and chance of happiness all intertwined with our lives"
Verb "intertwined" shows the need for greater social responsibility.
Anaphora puts emphasis on "them" being the working class and the need for help
Juxtaposition of the abstract nouns "hopes" and "fears"
The Inspector - [Morality / Responsibility] - "we are members of one body"
metaphor alludes to the Book of Genesis as this phrase is used in Holy Communion.
Therefore, through echoing the words of God, Priestley implies that the Inspector is speaking on God's behalf
The Inspector - [Morality / Responsibility] - "Each of you helped to kill her, remember that. Never forget it.
Despite none of the characters directly ending Eva's life, they have all had a part to play in her death and are therefore responsible for diving her to suicide
More short sentences, showing the limit of societies
The Inspector - [Morality / Responsibility] - "You used the power you had to punish the girl"
plainly states how Sheila abused her power, out of jealousy in order to punish Eva Smith for being more beautiful than her.
Repetition of the second person personal pronoun "you"