Find the mistake, underline it and write the correct sentence. Найди ошибку, подчеркни ее и напиши правильное предложение.
a. I could using a tablet when I was three.
b. She couldn’t to play the piano when she was five.
c. My grandmother was could speak four languages.
d. When could you saying ‘hello’ in English?
e. Could you to swim when you were 6?
II. A week later, Harry, Snape and Ron (were walking) across the Entrance Hall when they (saw) a small knot of people who (had gathered) around the notice-board and (were reading) a piece of parchment that had just (been pinned up). "They (are starting) a Duelling Club!", (said) Ron. "First meeting tonight! I do not (mind) duelling lessons, they (might) come in handy one of these days. Shall we (go)?" Harry and Snape (were) all for it, so at eight o'clock that evening they (hurried) back to the Great Hall. "I wonder who (will teach) us? I hope it (will be) Frederick," said Snape.