задайте общие вопросы
1 She likes to play.  .............to play?
2 They want to be workers. .........to be workers?

1 Does she like to play?
2 Do they want to be workers?

1. She likes to play. Does she like to play?
2. They want to be workers. Do they want to be workers?

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Пояснения:

1. Does потому, что местоимение she.
2. Do потому, что местоимение they.