Put the verbs in the Present Perfect affirmative: We (to buy) some new English books.
The girl (to burn) herself.
John (to go) to the UK.

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1. We have bought some new English books.

2. The girl has burnt herself.

3. John has gone to the UK.

1) we have bought some new English books
2) the girl has burned herself
3) John has gone to the UK
Вроде так