4) Раскрыть скобки употребляя Present Perfect Continuous:
1). (to read) this new novel for the last several days.
2). The soup (to boil) since 12 a.m. Should I turn it off?
3) Let's go. We are already latel -Relax! I (to prepare) for this party for the last 8 hours. It can wait 2 more minutes.
4) You (to clean the yard for the last 2 hours?
5). We (to live) in this house for twelve years already.
6). He doesn't give any attention to me. He (to talk) to this woman for the last 40 minutes.
7). __they (to sleep)? No, they have not been sleeping.
8).... he (to train)? No, he has not.​

1 He has been reading this new novel for the last several days.

2 The soup has been boiling since 12 a.m. Should I turn it off?

3 Let's go. We are already latel -Relax! I have been prepairing for this party for the last 8 hours. It can wait 2 more minutes.

4) Have you been cleaning the yard for the last 2 hours?

5). We have been living in this house for twelve years already.

6). He doesn't give any attention to me. He has been talking to this woman for the last 40 minutes.

7). Have they been sleeping? No, they have not been sleeping.

8)Has he been reading? No, he has not.​

Леонардо да Винчи видел смысл научной деятельности, прежде всего, в той практической пользе, какую она может принести человечеству. Это объясняет обращение Леонардо да Винчи к практической деятельности, к опыту как главному показателю истинности научных положений