tomorrow in indirect speech will be - in the next day
yesterday - the day before
this,these - that, those
now - then, at the moment
here - there
today - that day
the day after tomorrow - two days later, in two days
ago - before
the day before yesterday - two days before
Present Indefinite turns into Past Indefinite
Present Continuous - Past Continuous
Present Perfect - Past Perfect
Past Indefinite - Past Perfect
Past Continuous - Past Perfect Continuous
Past Perfect - Past Perfect
Future - Future in-the-past
Present Perfect continuous - Past Perfect Continuous