| Present Simple - Настоящее время |
| Вопросительная форма | Утвердительная форма | Отрицательная форма |
| Do I investigate? | I investigate | I don't investigate |
| Does he investigate? | He investigates | He doesn't investigate |
| Does she investigate? | She investigates | She doesn't investigate |
| Does it investigate? | It investigates | It doesn't investigate |
| Do you investigate? | You investigate | You don't investigate |
| Do we investigate? | We investigate | We don't investigate |
| Do they investigate? | They investigate | They don't investigate |
| Past Simple - Прощедщее время |
| Вопросительная форма | Утвердительная форма | Отрицательная форма |
| Did I investigate? | I investigated | I didn’t investigate |
| Did he investigate? | He investigated | He didn’t investigate |
| Did she investigate? | She investigated | She didn’t investigate |
| Did it investigate? | It investigated | It didn’t investigate |
| Did we investigate? | We investigated | We didn’t investigate |
| Did you investigate? | You investigated | You didn’t investigate |
| Did they investigate? | They investigated | They didn’t investigate |
| Future Simple - Будущее время |
| Вопросительная форма | Утвердительная форма | Отрицательная форма |
| Will I investigate? | I will investigate | I won’t investigate |
| Will he investigate? | He will investigate | He won’t investigate |
| Will she investigate? | She will investigate | She won’t investigate |
| Will it investigate? | It will investigate | It won’t investigate |
| Will we investigate? | We will investigate | We won’t investigate |
| Will you investigate? | You will investigate | You won’t investigate |
| Will they investigate? | They will investigate | They won’t investigate |
