Определите различные функции глагола should, переведите.
1. It should be said that the importance of Mars studies is acknowledged by all. 2. Reliability of every vehicle should be paid great attention to during the production process.
3. It is required that an airplane should be well balanced dynamically.
4. Should there be even a small deviation (отклонение) in the velocity, the space vehicle would pass the planet.
5. K.E. Tsiolkovsky suggested that man-made rockets for the future space flights should use liquid-propellant engines.
6. We were told that we should take part in the discussion.
7. One should not forget that electricity is the most important source of energy at present.

Tom is a pupil.
I am his friend.
Ann ? his friend.
She is fine.
He is fine.
I am fine too.
Is Bob fine?
Is the fox red?
My name is not Nick.
This frog is funny.
The mouse is not brave.
They are smart.
He is not brave.
We are pupils.
We are not students.
Are we friends?
Are you my friend?
Are you a pupil?
Is your sisters pupils?
My cat and my dog are not brave.
I am a student.
Are the frogs stupid?
We are his friends.
Tom and Bob are fine.
My puppy is funny.
My pets are funny.
Is Tom a pupil?
The girls are- slim.
The books are not funny.
He and his sister are fine.
His brothers are strong.
The cat is Iazy.
Is the tiger strong?
Are the tigers fat?
The Iion and the pig are friends.

1. Heserdis me. 2. I went to university in the past year. 3. I decided to join the choir. 4. We must pass 5 exams, and I hope to pass them well. 5. We take part in the discussions. 6. I must get rid of their phonetic errors. 7. I love to dance and to say that I dance well. 8. Needless to say, you dolzhnyslushat tekstykazhdy day. 9. I am currently working hard on grammar. 10. Meeting with foreign students give us a good vozmozh¬nost practice English. 11. As far as I know, she's pretty good at singing