O’zbekiston respublikasi oliy va o’rta maxsus ta’lim vazirligi mirzo ulug’bek nomidagi o’zbekiston milliy universiteti

IX. Qavs ichidagi fe’llarni Present, Past yoki Future Perfect da ishlating:

1. 
   If we get the machines we need the work (to be finished) by the end of the month.
   
2. 
   Our faculty arranged an expedition to the North after we (to get) all the necessary materials.
   
3. 
   The article is rather difficult, however it (to be translated) by the end of the lesson.
   
4. 
   Papyrus (to be used) until the production of paper was discovered.
   
5. 
   All the instruments (to be brought) to the laboratory today.
   
6. 
   They (to lave) Moscow for London before the telegram reached their home.
   
7. 
   The investigations (to be finished) by the end of the last week.
   
8. 
   Many new words (to be learned) by the students at the end of the year.