Lesson 1 Grammar

Exercise 5. Matndan belgilangan so‘zlarni nimaga taaluqli ekanligini aniqlang.
Example: In order to use them - computers

1. 
   that we recognize
   
2. 
   coordinate the activity of it
   
3. 
   which examines the instructions in the user’s programs
   
4. 
   which are high-speed units of memory
   
5. 
   the number of them
   
6. 
   its information is lost when it is turned off
   
7. 
   that allows users to install acceleration cards
   
8. 
   it is a silicon chip
   
9. 
   a clock provides them
   
10. 
    is likely to provide it
    

Lesson 9.

Grammar: The Past Perfect tense. Text: The Central Processing Unit.

Step 1. Gaplarni o‘qing.

1. 
   When I arrived at the party, Tom had already gone home.
   
2. 
   I wasn’t hungry, I’d just had lunch.
   

Step 2. Grammatika.

Past Perfect (I had done): 1. Ish harakatining ma’lum muddat va aniq vaqtda sodir bo‘lganini ko‘rsatadi. When I got home, I found that someone had broken into my flat and had stolen my computer. 2. Present Perfect ni o‘tgan zamon formasi. Present The house is dirty. We haven’t cleaned it for weeks. Past The house was dirty. We hadn’t cleaned it for weeks.

Exercise 1. Qovus gapidagi fe’lni to‘g‘ri shaklini tanlang.
Example: Was Tom there when you arrived? No, he had gone (go) home.
Was Tom there when you arrived? Yes, but he went (go) home soon afterwards.

1. 
   The house was very quiet when I got home. Everybody (go) to bed.
   
2. 
   I felt very tired when I got home, so I (go) straight to bed.
   
3. 
   We arrived at the cinema late. The film already (begin).
   
4. 
   The woman was a complete stranger to me. I never (see) her before.
   
5. 
   She wasn’t very good at playing tennis because she never (play) before.
   
6. 
   I didn’t recognize Mrs. Johnson. She (change) a lot.
   
7. 
   They (attach) the device to the computer by the time I (come).
   
8. 
   There was nothing in the file. You (delete) everything.
   
9. 
   She (type) the text and was looking through the files.
   
10. 
    Hardly he (open0 the file, when he (find) the information needed.