1. I've never heard about it.
2 A boy is just four yars old, but he has teached to read already.
3 Have you already moved to the new flat?
4 You have had many mistakes in the dictant.
5 Have you ever seen this writer?
6 I've read two new books in this month
7 My friend has gone to Kiev a week ago and haven't wrote me yet
8 I haven't seen my brother for the last time
9 Have you read in the newspaper the article about a new theater?
10 Have you ever been in London? — No, I will have gone there in this year
11 Have you read this book? – How have you liked it?
12 I wanted to watch this film on last week, but I've watch it only yesterday
13 I am going to enroll (присоединяться, записываться) the university in this year.
14 Has your son already finished a university?
15 His daughter hasfinished a school in last year
И вообще. Если тебе такие переводчики не катят, то лучше используй multitran