| 1 | People are warned not to make loud noise in public places. | |
| 2 | The government warns citizens to prepare for the upcoming typhoon. | |
| 3 | The coach warned the players not to bully their opponents during the game. | |
| 4 | He warned us very seriously not to cross this red line. | |
| 5 | The doctor warns the patient to take the medicine on time or it will affect the treatment effect. |