Определите функции причастий 1.attention was also given to the electron microscopic observations. 2. the tasks explained by the engineer were very important. 3. the engineers carrying out experiments combine their research with practical work.

1.attention was also given to the electron microscopic observations. (причастие прошедш. времени является частью глагольного сказуемого) 2. the tasks explained by the engineer were very important. ( причастие прошедш. времени в составе причастного оборота является определением) 3. the engineers carrying out experiments combine their research with practical work. (причастие наст. времени в составе причастного оборота является определением)

  how long have you been trying to find a job?

for three years. it was really difficult.

how many jobs have you had?  

about thirty, maybe more i have been doing everything.

how long have you been standing here today?  

i have  been waiting since 8: 00 this morning, and i'm freezing.  

 

 

 

 

1-e

2-g

3-i

4-a

5-b

6-k

7-d

8-f

9- c