1) as his eyes are bad he (to have) to wear glasses 2) i don't want him (to say) in behind my back 3) the dinner (to cook) before the family came home 4)i didn't know that you already ( to receive) the letter 5) if they (to have) plenty of time yesterday they wouldn't have missed the train

1)have ; 2) to say ; 3) had been cooked; 4)have already received ; 5)had

1) В настоящее время около 400 миллионов человек говорят по- английски. 
2) В настоящее время английский язык является вторым только на китайский язык в число людей ,которые 
говорят это. 
3) Около 300 миллионов человек , живущих в более чем 60 страны говорят по- английски , как 
второй язык. 
4) Есть около 5000 языков и диалектов в современном мире. О 
845 из Индии. 
5) Люди используют 65 различных алфавитов сегодня. 
6) Там нет языков, без [а] звук. 
7) Были только 30000 слов в староанглийском.Некоторые люди говорят , что существует около 600 000 слов в современном английском языке. 
8) Современный английский язык имеет самый большой словарь в мире.

1) That man does look rather strange but you shouldn’t stare at him.
2) He made a hole in the fence so that he could peep through without being seen.
3) If you go out into bright sunlight after being in the dark, you sometimes blink
4) Small boys often stand outside the bicycle shop and gaze at the wonderful machines in the window.
5) We frown if we are rather annoyed or if we are concentrating.
6) Did you glimpse someone pass the window a moment ago? I thought I just saw someone.
7) I thought he was serious until I saw him wink at me to show he was joking.
8) Grandfather has very bad eyes. He has to peer at the newspaper to read it.
9) I saw the motorist get out of his car and glare furiously at the other driver who had run into the back of him.
10) I saw him glance quickly at his watch.