Some sentences are correct and some are wrong.so agree or disagree

Если нужен перевод то держи Некоторые предложения правильные, а какие неправильные.Так что соглашаться или не соглашаться

BORIS AKUNIN is the pen name of Grigory Chkhartishvili, who was born in the Republic of Georgia in 1956. A philologist, critic, essayist, and translator of Japanese, Akunin published his first detective stories in 1998 and has already become one of the most widely read authors in Russia. He is the author of eleven Erast Fandorin novels, including The Winter Queen, The Turkish Gambit, Murder on the Leviathan, The Death of Achilles, and Special Assignments, available from Random House Trade Paperbacks; and Sister Pelagia and the White Bulldog and Sister Pelagia and the Black Monk, in the Sister Pelagia series. He lives in Moscow.

28-29 April ,2014 in our school the most important teachers competition was held. It was the greatest event not only for our school,teachers and students but also for all Vurnarski district.26 teachers from Chuvashia took part in the competition. The tasks for teachers were really serious. All the teachers from our school helped the competitors and also took part in the meetings.It was vere pleasant that 8 teachers are foreign languages teachers. The winner became a young English and German teacher Ekaterina Vladimirovna from Novocheboksarsk.