1 i - Future Indefinite Passive Voice
2 d - Present Indefinite Active Voice
3 K - Present Indefinite Active Voice
4 f - Present Indefinite Passive Voice
5 g - Future Indefinite Active Voice
6 c - Past Indefinite Active Voice
7 e - Past Indefinite Passive Voice
8 a - Present Indefinite Passive Voice
9 b - Present Continuous Passive Voice
10 h - Present Perfect Active Voice
2) In my opinion, most Russian students learn English at school because it is the most common international language. It will help schoolboys and schoolgirls achieve their goals in future career if they want to be the best and work as an international specialist.
3) I use English mostly for communicating with people from abroad. Furthermore, I like reading books by English authors in original as well as watching films in English.
2 You should put on your sweater.
3 You should turn off the lights.
4 You shouldn't turn on gas.
5 You should clean the furniture,
6 You should read more fiction.
7 You shouldn't take so many pictures
8 You shouldn't work on the computer so much.
9 You shouldn't play the guitar so loudly.
10 You shouldn't come so late.
1 You can (may) do either this or that way .
2 We will go either to the cinema or to the theatre.
3 The text is written either in Greek or in Latin.
4 Give me either a spoon or a fork.
5 He is either a scientist or a lawyer.
1) will have to(в значении им придется)
2)can(в значении физической возможности)
1)Labor efficiency is being raised by means of new machinery.
2)Labor efficiency has been raised by means of new machinery.