с домашней работай по ин яз

1 An expedition is going to be prepared by John Mills to the North
2  видимо предложение не правильно написано
3 the expedition is going to be showed on national television
4 All the necessary have been already bought  by John Mills
5  An observation is going to be set up 
6 Objections have been raised to this expedition by many people

1 the project of a new trade centre is being discussed by the chief architects and engineers
2 all the necessary documents have been already signed by the general managers
3 building works are going to be started in April
4 the project will be supported by Many building firms 
5 the biggest trade and entertainment centre are going to be built in the region
6 objections have been raised to this project

Present Perfect:

I have done my homework already.

He hasn't done his homework yet.

I have never met such a nice person.

Present Simple:

I go to school every morning.

We usualy have tea after breakfast.

She works as a shop assistant.

Present Continuous:

I am listening to music now.

We are watching TV right now.

Peter is playing football now.

Past Simple:

I saw him yesterday.

They painted the house two years ago.

Nick visited his grandmother last week.

Past Continuous:

I was playing tennis when he called me.

She was writing a letter yesterday at 5 o'clock.

We were cooking dinner when he came

Объяснение: