. Analyze the use of the Perfect Forms. Translate the sentences

. Analyze the use of the Perfect Forms. Translate the sentences into Russian.
A.
1. I was sure I had never seen that man before. 2.No one had finished his work by the appointed time. 3. When we reached the house the windows were dark as everybody had gone to bed. 4. After they had left the room together he sat in front of the fire for a long time thinking about them. 5. She opened the door only after I had told her who I was and what I wanted. 6. They had prepared everything by 4 oclock.

B.
1. Dont come for the article at 6 oclock. We shall not have finished it by that time. 2. I am sure we shall have prepared everything when you return. 3. If you dont hurry, the train will have gone by the time you reach the station. 4. By the time you make up your mind to tell him about it hell have heard of everything from somebody else. 5. They will have read the first chapter of the book by the end of the week.