переведите 2 предложеньица пожалуйста на английский (10 балло)

10 Assistants were sure that you wrote them, that got their catalogues and expect new.
12 My friend promised to get a few books through this question, as soon as I will begin to work above the article
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10. The assistants were confident that you've corresponded with them and that you've received the catalogs and are expecting to receive the new ones.

12. My friend had promised to get a few books on this topic as soon as I start working on the article.

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10. Assistants have been assured that you have written to them that have received their catalogues and expect the new

12. My friend promised to get some books on this question as soon as I will start to work over article

Assistants have been assured that you have written to them that have received their catalogues and expect the new.

12. My friend promised to get some books on this question as soon as I will start to work over article.

Assistants are confident that you have written to them that they have received catalogs and waiting for new ones.

2/My friend promised to get some books on this subject as soon as I start to work on the article.

Assistants have been assured that you have written to them that have received their catalogues and expect the new.

My friend promised to get some books on this question as soon as I will start to work over article.