Respuesta :
If i have read this right, the first one will be
1. I've written to them three times and i have not gotten a reply YET.
2. I have asked you again and again not to do it YET.
3. I have lent him $10 last month and he has not given it back YET.
4. He lost his own a week ago and has not found it YET.
5. He borrowed my book last year as has not given it back YET.
6. She went to New York six months ago and has not returned YET.
7.She gave me $2 a week ago and i haven't returned it YET.
8. I finished reading my library books a long time ago and i have not changed them in for new ones YET.
9. She went to the bus stop half and hour ago, the bus has still not come YET.
10. He's still studying that lesson because he has not learned the concept YET.
I hope this was the correct format you wanted for these sentences.
1. I've written to them three times and i have not gotten a reply YET.
2. I have asked you again and again not to do it YET.
3. I have lent him $10 last month and he has not given it back YET.
4. He lost his own a week ago and has not found it YET.
5. He borrowed my book last year as has not given it back YET.
6. She went to New York six months ago and has not returned YET.
7.She gave me $2 a week ago and i haven't returned it YET.
8. I finished reading my library books a long time ago and i have not changed them in for new ones YET.
9. She went to the bus stop half and hour ago, the bus has still not come YET.
10. He's still studying that lesson because he has not learned the concept YET.
I hope this was the correct format you wanted for these sentences.