Форма | Основне значення | Приклад |
can / can't | здатність зараз або загалом | I can cook. |
could / couldn't | загальна здатність у минулому, couldn't також для конкретної невдачі | She could dance well. |
be able to | здатність у будь-якому часі | They will be able to join us. |
manage to | конкретний успіх попри труднощі | He managed to find the address. |
Ситуація | Форма | Приклад |
Загальна навичка в минулому | could | I could swim when I was seven. |
Одноразовий успіх | was/were able to | I was able to fix the bike yesterday. |
Успіх після труднощів | managed to | We managed to find a shelter. |
Невдача в конкретній ситуації | couldn't або wasn't able to | I couldn't open the door. |
Сприйняття в конкретний момент | could | We could see the lake from the hotel. |
Тип речення | can / could | be able to | manage to |
Стверджувальне | I can swim. | She is able to come. | He managed to pass. |
Заперечне | They couldn't find it. | We were not able to finish. | I didn't manage to call. |
Питальне | Could you swim as a child? | Will she be able to attend? | Did you manage to sleep? |
Неправильно | Правильно | Чому |
I can to swim. | I can swim. | після can частка to не потрібна |
I will can come. | I will be able to come. | два модальні дієслова поспіль неможливі |
Do you can help me? | Can you help me? | can не потребує do |
She cans dance. | She can dance. | can не змінюється за особами |
Yesterday I could pass the test. | Yesterday I was able to pass the test. | для одного успіху в стверджувальному реченні could не вживають |
I must can drive. | I must be able to drive. | після must потрібне be able to |
He managed find the keys. | He managed to find the keys. | після manage потрібне to |