Задайте вопросы к предложениям: 1. Does train automatically identifies itself ?
2. There are various types of trains: super express, limited express or freight
3 Work of sleepers and rails depend on the system of fastening.
4 Rail crossing wear away rapidly.
5 Broken ballast is the most suitable.
6 Railways play a very important part in transportation.
7 The speedometer shows 75 kph.
8 Drivers and their assistants rest for 3-4 hours.
9 Railway workers travel by rail free of charge.
10 The "Russia" express consists of all-metal cars.

сексох ах ох ээ

2) - their  office  hours don't begin  at 9 o'clock

? do  their  office hours begin  at 9 o'clock?

3) - mr. bell isn't busy all day.

? is mr.bell busy all  day?

4) - there aren't sone cables on the table.

? are some cables on the table?

5) - she can't translate some letters from english into russian.

? can she translate some letters  from  english into russian?

6) - he doesn't has some offers  fron bell& co.

? does he has some offers from bell& co.

7) - mr. smith hadn't  bought several machines  from green& co by  june 2005.

?   had mr. smith bought  several  machines  from green& co  by june  2005?

8) - they weren't reading french newspapers yesterday at 5 o'clock.

?   were they  reading  french newspapers  yesterday at 5 o'clock?

9) - the engineers didn't meet some inspectors  a  week ago.

? did the engineers  meet some inspectors  a week ago?

10) - we haven't already received fives enquiries  from blake& co.

? have we already  recieved fives  enquiries  from blake& co?

11) - they haven't  a lot of  offices in london.

? have they  a lot of  offices  in london?

1)i have to work hard to improve my english

2)joan doesn’t   have to go.she can stay here.

3)i’m   sorry   i’m late.i had to do the shopping.

4)i think the spacemen has known english.

5)does she have to read this rule?

6)tom doesn’t  have to use a computer.

7)you have to know english to understand people.

8)does mary have to help ann to study english?

9)what time do you have to get up?

10)has your teacher corrected your homework?