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Adapting Sources in Shakespeare's Plays

This lesson teaches students to compare a Shakespeare play directly against its original source text, tracking specific changes to plot events, timelines, and character traits, and explaining the dramatic reasons behind each change.

Reading a Shakespeare Play Alongside Its Source

Every Shakespeare play worth studying as an adaptation has a paper trail. Behind "Romeo and Juliet" sits Arthur Brooke's long narrative poem. Behind "Hamlet" sits a centuries-old Scandinavian legend recorded by Saxo Grammaticus. Behind "King Lear" sits an English chronicle history and an earlier stage play. Comparing a Shakespeare play with the text it came from is not just trivia about influence, it is a way of seeing every choice Shakespeare made as a deliberate decision, since each departure from the source reveals something about his priorities as a dramatist.

This comparison works best when you treat it as evidence gathering rather than guesswork. Read a summary or excerpt of the source, list its major plot events and characters, then do the same for the play, and line the two lists up side by side. Wherever the lists disagree is where the real analysis begins: what did Shakespeare cut, compress, invent, or reverse, and what effect did that change produce for an audience?

Comparing Plot: What Shakespeare Compressed and Changed

Arthur Brooke's poem stretches the events of "Romeo and Juliet" across roughly nine months, giving the two lovers time for a slow, cautious courtship. Shakespeare compresses that entire plot into about four or five days. This single change to the timeline transforms a leisurely romance into a rushed, feverish sequence of decisions, so that the tragedy feels like it is caused as much by haste and poor timing as by the family feud itself. Shakespeare also expands minor figures from the poem, most notably Mercutio and Tybalt, into vivid characters whose deaths accelerate the plot's collapse.

Noticing a change like time compression is only half the analysis. The stronger claim explains its purpose: because the play now unfolds in days rather than months, every choice the characters make feels impulsive, reinforcing the play's warning about acting on passion before reason can catch up.

Comparing Characters: Depth Added, Motives Sharpened

The Amleth legend gives Shakespeare a hero who feigns madness, avenges his father, and survives to rule successfully, a fairly straightforward revenge story. Shakespeare's Hamlet keeps the feigned madness and the murdered father, but adds a character who is not in the legend at all: Ophelia, whose relationship with Hamlet and eventual death give the play a second tragedy running alongside the first. Shakespeare also stretches out Hamlet's hesitation into long soliloquies that expose doubt, guilt, and philosophical questioning that the source hero never voices.

These additions turn a tale of successful revenge into a study of a mind that cannot stop examining its own motives. When you compare a source character to Shakespeare's version, ask specifically what has been added to their interior life, since that is usually where Shakespeare's real innovation lies. For more practice tracing this kind of character reworking across several plays, see Shakespeare's Creative Reworking of Sources.

Case Study: The Rewritten Ending of King Lear

The older chronicle history and the earlier play "King Leir" that Shakespeare drew on both end happily: Lear is restored to his throne, and Cordelia lives. Shakespeare rewrites the ending so that Cordelia is hanged and Lear dies of grief moments later, holding her body. The diagram below lines up the two endings directly.

The source story resolves with justice restored, while Shakespeare's ending removes that comfort entirely.

The change matters because it shifts the play's meaning. A restored kingdom suggests that suffering eventually gets corrected, while Shakespeare's ending suggests that some losses cannot be undone, no matter how much a character learns or repents. When you find a changed ending like this one, always connect it back to the theme the play seems to be building toward.

Key Terms for Comparing Source and Play

Direct Source: The specific earlier text, such as a poem, chronicle, or legend, that provides a play's plot, characters, or setting.

Plot Divergence: A point in the play where the sequence or outcome of events differs from what happens in the source.

Dramatic Compression: Shortening the timespan of a source's events to increase pace and urgency onstage.

Composite Character: A character in the play built by combining traits or roles from more than one figure in the source material.

Motivation Shift: A change in why a character acts, compared to the reason given for the same action in the source.

Tragic Reversal: Changing a source's resolved or hopeful ending into a tragic one, or the reverse.

A Method for Comparing Source and Adaptation

Use a consistent process whenever you analyze a Shakespeare play against its source. First, identify the exact source text and read a reliable summary or excerpt of it. Second, list the major plot events of the source in order, then list the play's events in order, and mark where they match, are compressed, or diverge. Third, list each major character's traits and motivations in the source, then compare them to the same character's traits and motivations in the play. Finally, ask why each change matters: what does it add to the theme, the pacing, or the emotional weight of the story?

Practicing this method across several plays, not just one, is what turns isolated observations into a genuine analytical skill. For additional guided practice applying these comparison techniques to other plays, see Shakespeare's Adaptation Techniques.

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Shakespeare and Source Material Transformation