III. Write in words these numbers:

    - 13
    - 14
    - 15
    - 16
    - 17
    - 18
    - 19
    - 20

IV. Make these interrogative: 

    - I am the teacher.
    - You are in the classroom.
    - We are all students.
    - Some of the students are boys.
    - Two and two are four.
    - That answer is right.
    - They are here.
    - He is near the window.
    - There are only two books in the picture.
    - There are a great many people in London.
    - There is a book on the table.
    - There is a train in the station.

V. Make these singular:}

    - The books are on the table.
    - The stars are in the sky.
    - Are the men in the classroom?
    - Are there trains in the station?
    - There are some books on the table.
    - Those are mountains.
    - Those are stars.
    - These are flowers.
    - These are queens.
    - They are kings.

 VI. Give the opposites of: 

    - good
    - big
    - cold
    - there
    - wrong
    - near
    - left
    - country
    - come
    - open
    - white