"I might be late to work"
He told me he might be late to work"
"we are working on the project together"
They told me that they were working in the project together.
"We have been waiting for hours"
They told me they had been waiting for hours.
"I am reading a book"
He said he was reading a book
"I must study for tomorrow's exam"
He said he had to study for the next day's exam.
"I'll be using the car tomorrow"
She said she would be using the car the next day.
"I have drunk five cups of coffee today"
He said he had drunk five cups of coffee today.
"Learning english is easy"
She told me (that) learning english was easy
"we bought a new car last month"
They said they have bought a new car the previous month"
"I cook chicken every saturday"
She said she cooked chicken every saturday.
"I should drink more water"
She told me she should drink more water"
"I can play the piano"
She said she could play the piano.