The sentences are not grammatically correct and the following mistakes that were found are the incorrect use of tenses (I didn't used to watch...)
To correct the grammatical error in number 1, the sentence can be rewritten thus: " I don't watch documentaries, instead i prefer soap operas".
The sentences in number 2 appear to be grammatically correct but can be rewritten to make them easier to read and understand.
For example: " My friend lives in a place called Aldeburgh in England and the people have a very harmonious relationship"
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