They had built this plant by the end of 2010.
After I had mixed my colours I began to paint.
Yesterday I bought a new watch as I had lost my old one.
After they had travelled in the Caucasus they decided to make a sea voyage.
He opened his eyes and tried to remember what had happened to him.
I had not done half the work when he came in.
I told him I had never done such a thing until then.
I had never seen him in my life, so of course I couldn't recognize him.
They hadn't finished talking when I phoned him.
He couldn't go to the seaside because he had not passed all his examinations.