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