Задача 1
Условие (кратко)
По таблице (галочка — умеет, крестик — нет) написать предложения с can/can't об Andrey, Lara и Jake & Sue: sing, play the piano, draw. Andrey — образец.
Решение
Галочки — в часть с can, крестики — после but с can't. Andrey — he, Lara — she, Jake & Sue — they; can от лица не меняется.
Andrey: sing ✓, play the piano ✓, draw ✗ — Andrey can sing and play the piano, but he can't draw. Lara: sing ✗, play the piano ✗, draw ✓ — Lara can draw, but she can't sing or play the piano. Jake & Sue: sing ✓, play the piano ✗, draw ✓ — Jake and Sue can sing and draw, but they can't play the piano.
Ответ
Andrey can sing and play the piano, but he can't draw. Lara can draw, but she can't sing or play the piano. Jake and Sue can sing and draw, but they can't play the piano.
Почему так
Can/can't не меняется по лицам, а после него идёт глагол без to.
Подробнее — в теме «Модальный глагол can».