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Hier ein Auszug aus englishgrammar.org:

Adverb clauses of concession are introduced by the subordinating conjunctions though, although, even though, while, whereas and even if.
Though I am poor I am honest.
I will be able to get in although I have no ticket.
Even if it rains I will come.
The men managed to survive even though they were three days without water.
John is very popular among his friends, whereas his brother is a reclusive.

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