10.Use the Past Simple or the Present Perfect .1)Ainura every (try) sushi ?2)you (go) to the party last night?3) I never (be) to Paris .4) This year we (travel ) to China three times so far5) you (finish ) your homework yet?6) Last night our aunt Nurila (come) by.7) When you(come) to Osh?8)Our family (arrive) here four years ago. 9) you (watch) " X-Men " yestorday ?10) I (meet) Bolot in 2016, so we (know) ench other for three years. ​

1) Has Ainura ever tried sushi?

2) Did you go to the party last night?

3) I have never been to Paris.

4) This year we have travelled to China three times so far

5) Have you finished your homework yet?

6) Last night our aunt Nurila came by.

7) When did you come to Osh?

8) Our family arrived here four years ago.

9) Did you watch " X-Men " yesterday?

10) I met Bolot in 2016, so we have known each other for three years. ​

1. Currently they are expanding (Present Continuous Active) their business in Europe. Are they expanding their business in Europe currently?
Currently they aren't expanding their business in Europe.
2. The delegation of Finnish builders has arrived (Present Perfect Active) in the city today. 
Has the delegation of Finnish builders arrived in the city today?
The delegation of Finnish builders hasn't arrived in the city today.

3. We have assumed (Present Percet Active) that nobody will buy (Future Simple Avtive) any chocolate when the price is (Present Simple Active) more than $2 per bar. Will nobody buy any chocolate when the price is more than $2 per bar?

4. What contract were they discussing (Past Continuous Active) at 11 a.m. yesterday. 
They were discussing a new contract at 11 a.m. yesterday.
They weren't discussing a new contract at 11 a.m. yeasterday.

1 hadn’t worked- Past Perfect Active; инфинитив - to work

По состоянию на ноябрь месяц, примерно 4 миллиона взрослых американцев не проработали на одном месте более шести месяцев.

2 has been receiving - Present Perfect Progressive Active ; to receive- инфинитив

Чтобы им справиться с ситуацией во время экономического спада, каждый из них получает около 300 долларов в неделю.

3 signed- Past Simple Active; to sign- инфинитив

В июне 2008 года президент Джордж Буш подписал закон о федеральной программе об экстренной компенсации по безработице.

1 Had some 4 million American adults worked in more than 6 months as of November?

2 Has each of them been receiving a payment of about 300$ each week to help tide them over during the economic downturn, ?

3. Did George W. Bush sign into a law of a federal emergency unemployment compensation program in June 2008?

1 As of November, some 4 million American adults hadn’t worked in more than six months.

2 To help tide them over during the economic downturn, each of them hasn't been receiving a payment of about $300 a week.

3 In June 2008 President George W. Bush didn't sign into law a federal emergency unemployment compensation program.