Present Simple → Past Simple
Present Continuous → Past Continuous
Present Perfect → Past Perfect
Past Simple → Past Perfect
Past Continuous → Past Perfect Continuous
Will → Would | Can → Could | May → Might | Shall → Should | Must → Had to
IMPORTANT EXCEPTION: If the reporting verb is in PRESENT tense (says, tells), NO tense change happens.
Example: She says, "I am tired." → She says that she is tired. (No change)
RULE 2 — PRONOUN CHANGE
Pronouns change based on the subject and object of the reporting verb. Use this shortcut:
SHORTCUT — "SOS Rule" (Subject → Object → Speaker)
• 1st person pronoun → changes to the SUBJECT of reporting verb
• 2nd person pronoun → changes to the OBJECT of reporting verb
• 3rd person pronoun → NO change
RULE 3 — TIME & PLACE WORD CHANGES
now → then | today → that day | yesterday → the previous day / the day before
tomorrow → the next day / the following day | here → there | this → that
these → those | last night → the previous night | ago → before
RULE 4 — SENTENCE TYPE RULES
• For STATEMENTS: Use "that" as a connector. Remove quotation marks.
• For QUESTIONS (Yes/No): Use "whether" or "if" as connector. Remove question mark.
• For QUESTIONS (Wh-): Use the Wh-word itself as connector.
• For COMMANDS/REQUESTS: Use "to + verb" (infinitive form). Reporting verb changes to told, ordered, requested, advised.
• For EXCLAMATIONS: Use "exclaimed with joy/sorrow" or "wished". Change to a statement.
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