XVII. Give the Past Indefinite and Past Participle forms of the following

      verbs:

      to publish     to appoint

      to complete  to bring

      to make       to write

XVIII. Translate into Russian.

 1) Many books are published in our country every year.

 2) The yield is always recorded at the end of an experiment.

 3) The work will be completed next week.

 

XIX. Make the negative and interrogative forms of the following sentences:

1. Interesting experiments were made in his class.

2. He was elected member of many academies abroad.

3. He was appointed professor at the University in 1966.

 

XX. Find in the text the sentences containing the Passive Voice.

XXI. Divide the text into some parts and name them.

XXII. Answer the questions.

1. What was D. I. Mendeleyev?

2. Where was he born?

3. Have many chemical elements did Mendeleyev describe?

4. When was the Periodic Table published?

5. What was the Periodic Table spoken of?

6. What did in addition to his work Mendeleyev pay attention to?

XXIII. Retell the text according to the plan.

1. The youth of the great scientist.

2. Interesting experiments.

3. Teaching.

4. D. I. Mendeleyev’s Periodic Table.

5. The beginning of a new era in chemical thought.

Module “Chemistry”

Lesson I

Mendeleyev's Periodic Law

 

Rules of reading: Letter combinations ow, ou

Grammar: The forms of the Passive Voice in the Present and the Past tenses

Text: Mendeleyev's Periodic Law

                                       

                                    Assignments to do:

Remember:

Letter combinations are pronounced as followings:

                                 [ou] low

Ow

                                     [au] brown

 

ou                               [au] out

 

I. Read the words paying attention to their pronunciation.

house, yellow, low, amount, snow, aloud, about, town, loud, grow, know, out.

 

II. Read and explain the rules of reading of the following words:

now, how, bow, Moscow, vow, window, gown, down, known, scout, count.

                             

Remind grammar (look at grammar reference)

III. Answer the questions.

1. What is the difference between Active and Passive Voices?

2. How many forms of verbs do you know?

3. Conjugate the verb “to be” in the Present and Past.

4. Give the forms of the Passive Voice in the Present and the Past tenses.

 

IV. Form Participle II from the following verbs and translate them:

give, pay, remember, drive, see, buy, leave.

V. Change the sentences from the Active Voice into the Passive one.

1. They remember him.

2. Somebody drove him.

3. Ann saw his friend.

4. My sister bought that nice dress.

5. They leave us.

 

VI. Change the following sentences from the Passive Voice into the Active one:

1. The bone was hidden by the dog.

2. Too many mistakes are made by my secretary.

3. We were asked to get off the grass by a policeman.

4. Our baby is fed bananas.

5. The reason was explained to us.

 

VII. Change the following sentences into the passive voice using the italicized words as the grammatical subject:

1. My teacher gave me some advice.

2. My teacher gave me some advice.

3. They didn't pay him for the gas.

 

VIII. Make the sentences negative and interrogative.

1. Food is eaten with chopsticks in China.

2. It is known that he left the country under a false name.

3. He was given a prize.

4. The coat was bought last month.

 

IX. Translate the following sentences from Russian into English:

1. Работа была закончена к вечеру.

2. В детстве Билла обучали музыке.

3. Нам никто не звонил.

4. Им подали кофе и бутерброды.

 

X. Speak on the following situations using the Passive Voice:

1. You are going to a party.

(to be invited to party, to be accompanied by, to be introduced to, to be

offered a cup of coffee, sandwiches, to be asked to sing, to be invited to dance).

2. Bob is late for class.

(to be left alone in the house, not be awakened, not to be given a chance to explain why he is (was) late, to be interrupted, to be offended).