Tenses, Active Voice Sentences and Passive Voice Sentences
| Present simple | Reporters write news reports | News reports are written by reporters |
| Present continuous | Michael is baking a brownie | A brownie is being baked by Michael. |
| Past simple | The company hired new workers last year. | New workers were hired by the company last year. |
| Past Continuous | The salesman was helping the customer when the thief came into the store. | The customer was being helped by the salesman when the thief came into the store. |
| Present perfect | They have already discussed the book. | The book has already been discussed. |
| Past perfect | He had delivered the letters. | The letters had been delivered. |
| Future simple | The company will hire new workers. | New workers will be hired by the company. |
| Infinitive | She has to deliver the letters. | The letters have to be delivered. |
| Modals | She must deliver the letters. | The letters must be delivered. |
