Write down the sentences.uniderline all the signs of the present perfect.(спишите предложения.подчеркните все признаки present perfect) 1)i am ready to answer.i have just finished the translation. 2)he is not ready.he hasnt done his test yet. 3)i have recently seen my foreign friends. 4)it is not necessary to feed the pets.i have already done it. 5)it is a pity but i have never been to london 6)have you ever sung any english songs? 7)i have lately met him at school 8)i see that you havent written your letter yet 9)my english friend has never been to russia