Он ушел, когда я работал, и сказал,

Он ушел, когда я работал, и сказал, что придет в 6. Я уже выполнил всю работу, когда он пришел.

Результаты (английский) 1:

He left when I was working, and said that will come in 6. I had already done all the work, when he came.

Результаты (английский) 2:

He left when I was working, and said he would come to 6. I had already done all the work when it came.

Результаты (английский) 3:

He was, when I was working, and he said, that the time will come in 6. I have already completed all of the work, when he came in.