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