1. It's rude to eat with your mouth open.
2. Are you absolutely certain about doing it?
3. I am addicted to watching sports on TV, but I'm not really into playing!
4. Study immediately before going to sleep. You'll remember a lot more the next day.
5. We were unlucky to lose the game, we deserved to win.
6. I don't mind being alone, but it's better to be with other people.
7. What you don't want to remember, you forget (?)
8. Playing games is a fun way of improving your memory skills.
9. Experts say that it is pretty dangerous to do bungee jumping.
10. Most people are worried about losing their job, so they're trying best at working.
11. I was really so surprised to see you. I was happy to come.
12. It is impossible to succeed, if you are not ready to work hard.
I play computer games every day. - Do I play computer games every day? - I don't play computer games every day.
I played computer games yesterday. - Did I play computer games yesterday? - I didn't play computer games yesterday.
I'll play computer games tomorrow. - Will I play computer games tomorrow? - I won't play computer games tomorrow.
I would play computer games.- Would I play computer games? - I wouldn't play computer games.
I'm playing computer games now. - Am I playing computer games now? - I'm not playing computer games now.
I was playing computer games at 7 o'clock yesterday. - Was I playing computer games at 7 o'clock yesterday? - I wasn't playing computer games at 7 o'clock yesterday.
I'll be playing computer games the whole evening - Will I be playing computer games the whole evening? - I won't be playing computer games the whole evening.
I would be playing computer games.- Would I be playing computer games? - I wouldn't be playing computer games.
I have already played computer games. - Have I already played computer games? - I haven't played computer games.
I had played computer games before you came home. - Had I played computer games before you came home? - I hadn't played computer games before you came home.
I'll have played computer games by the time you come home. - Will I have played computer games by the time you come home? - I won't have played computer games by the time you come home.
I would have played computer games by the time you came home. - Would I have played computer games by the time you come home? - I wouldn't have played computer games by the time you come home.
I have been playing computer games for two hours. - Have I been playing computer games for two hours? - I haven't been playing computer games for two hours.
I had been playing computer games for an hour when my friend phoned me. - Had I been playing computer games for an hour when my friend phoned me? - I hadn't been playing computer games for an hour when my friend phoned me.
I'll have been playing computer games for two hours by the time you come home. - Will I have been playing computer games for two hours by the time you come home? - I won't have been playing computer games for two hours by the time you come home.
I would have been playing computer games for two hours. - Would I have been playing computer games for two hours? - I wouldn't have been playing computer games for two hours.
Производя супер компьютеры нам необходима высоко развитая электроника и новые материалы.
Каждому следует делать свою работу вовремя.
Студенты обязаны знать историю своего института.
Открытие 103...? Новых материалов не означает,что старым материалам следует утратить свое значение.
Мария Кюри нуждалась в лаборатории и оборудовании для ее исследований.
Каждый институт обязан гордиться своими знаменитыми выпускниками.
Каждому следует знать ,что рентген это единица измерения радиации.