Reported

Reported Speech
Statements
1) If the introductory sentence starts in the present (Susan says), there is no backshift of tenses in Reported speech.

Example:
Direct speech: Susan: "I work in an office."
Reported speech: Susan says that she works in an office.

2) If the introductory sentence starts in the past (Susan said), there is often backshift of tenses in Reported speech. (see: Note)

Example:
Susan: "I work in an office."
Susan said that she worked in an office. Backshift of tenses | from | to | Simple Present | Simple Past | Simple Past | Past Perfect | Present Perfect | | Past Perfect | | will | would | Progressive forms | am/are/is | was/were | was/were | had been | has been | | had been | |

Backshift of tenses | from | to | Peter: "I work in the garden." | Peter said that he worked in the garden. | Peter: "I worked in the garden." | Peter said that he had worked in the garden. | Peter: "I have worked in the garden." | | Peter: "I had worked in the garden." | | Peter: "I will work in the garden." | Peter said that he would work in the garden. | Peter: "I can work in the garden." | Peter said that he could work in the garden. | Peter: "I may work in the garden." | Peter said that he might work in the garden. | Peter: "I would work in the garden."
(could, might, should, ought to) | Peter said that he would work in the garden.
(could, might, should, ought to) | Progressive forms | Peter: "I'm working in the garden." | Peter said that he was working in the garden. | Peter: "I was working in the garden." | Peter said that he had been working in the garden. | Peter: "I have been working in the garden." | | Peter: "I had been working in the garden." | |
If the sentence contains an expression of time, you must change it as well.
Peter: "I worked in the garden yesterday."
Peter said that he had worked in the garden the day before.
Shifting of expressions of time this (evening)