XI. Gaplarni tarjima qiling va har bir gapning kesimini zamonini aniqlang: The boys saw the teacher when he was coming up to them. The boys saw the teacher when he had come up to them.
Many people heard about Mr. Brown when he was working as the principal (director) of the school. Some people heard about Mr. Brown when he had worked for awhile as the principal of the school.
I saw my friend when the train was leaving. I saw my friend when the train had left.
XII. Gaplarni tarjima qiling, ajratilgan so’zlar gaplarda qanday gap bo’laklarini anglatishini aniqlang: