Rewrite the sentences using passive structures. 1) they have found depositsof coal in this area. 2) they discovered a new source of energy a month ago. 3) they have developed a new branch of industry. 4) they know this island as an island of wonders. 5) they haven't discussed this question yet. 6)they didn't publish this article in the local newspaper last week.

1 they have been found deposit of coal in this area 2 they were discovered a new source of energy a month ago 3 they have been developed a new branch of industry 4 they are known this island as an island of wonders 5 they haven't been discussed this question yet 6 they weren't published this article in the local newspaper last week