1	I couldn't believed that I won $10 million.	1	I couldn't believe that I had won $ 10 million. 	
2	I was so excited I couldn't sleep.	2	I was so exciting I couldn't slept.	
3	At that moment I was very surprised.	3	I was very surprised when I saw the result.	
4	I told the good news to my friends.	4	I told my friends the good news.	
5	We had a luxury dinner at the Four Seasons Hotel.	5	We had a slap-up meal at the Four Seasons Hotel.	
6	I was unbelievable that I had won the Mark 6.	6	I couldn't believe I'd won the Mark 6	
7	I gave some gifts to my family members.	7	I gave my family some presents.	
8	I bought a lot of  brand-name accessories for my mum	8	I brought a lot of  brand-name accessories to my mum.	
9	After I got dressed, I went shopping.	9	After I dressed up I went to shopping.	
10	This happened a week ago.	10	It was happened one week before.	
11	Last week morning I heard that I'd won the Mark Six.	11	One morning last week, I heard that I'd won the Mark Six.	
12	I with my family went to the car shop for choosing a car.	12	My family and I went to a car showroom to choose a car.	

Answers	

1	I couldn't believe that I had won $ 10 million. 	
2	I was so excited I couldn't sleep.	
3	I was very surprised when I saw the result.	
4	I told my friends the good news.	
5	We had a slap-up meal at the Four Seasons Hotel.	
6	I couldn't believe I'd won the Mark 6	
7	I gave my family some presents.	
8	I bought a lot of  brand-name accessories for my mum	
9	After I got dressed, I went shopping.	
10	This happened a week ago.	
11	One morning last week, I heard that I'd won the Mark Six.	
12	My family and I went to a car showroom to choose a car.