2. “ I’m going to hire a robot next week ”, he said to me
-> He told me that he was going to hire a robot the week after
3. “ I am doing an experiment now ”, Viet said
-> Viet said that he was doing an experiment then
4. “ My sister isn’t leaving for London tonight” said Jane
-> Jane said her sister wasn't leaving for London that night
5. Her mother is upset because he doesn’t tidy her room every day.
-> If she tidied her room every day, her mother would be not upset
6. The workers have restored the damaged bridge.
-> The damaged bridge has been restored by the workers
7. They took residents of flooded villages to a safe place last night.
-> Residents of flooded villages to a safe place were be taken last night
8. Farmers use too many pesticides and herbicides, so the soil is poisoned.
-> If farmers didn't use too many pesticides and herbicides, the soil would not be poisoned