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OBJECT (Noun or Pronoun in objective case) + INFINITIVE

Study the chart. Pay attention to the use of the Infinitive with or without the particle to.


Complex Object is used:

After the verbs denoting mental activity: to know, to think, to believe, to suppose, to expect, etc. My scientific supervisor expects me to take part in the conference.   ћой научный руководитель рассчитывает на то, что € приму участие в конференции.
After the verbs denoting desire, volition, order, request: to want, to order, to ask, to request, to like, etc. They want him to come back on Monday. ќни хот€т, чтобы он вернулс€ в понедельник.
After the verbs denoting physical perception: to feel, to hear, to watch, to see, to sense + the verbs to make, to let, to have. After these verbs the Infinitive is used without to They saw him enter the laboratory. The laboratory assistant watched the student performing a series of tests. ќни видели, что он вошел в лабораторию. Ћаборант наблюдал, как студент проводил серию опытов.


When the duration of the action is underlined theЦing form can be used instead of the Infinitive.


Ex. 1. Look through the text SOLUTION and find the sentences with the Objective Infinitive Construction.

Ex. 2. Say a) in which cases the use of the Objective Infinitive Construction is possible; b) in which cases the Infinitive in this Construction must be used without УtoФ.

1. It is believed Е 2. We believe Е 3. The scientist found Е 4. It can be seen Е 5. We see Е 6. They want Е 7. He made Е 8. We felt Е 9. The conditions are known Е 10. We knowЕ 11. She considers Е 12. The rise in temperature causes Е

Ex. 3. Read and translate the sentences with the Objective Infinitive Construction. Paraphrase them according to the given Model:

Model: Both physical and chemical evidence show hydrogen chloride to be a covalent compound. Both physical and chemical evidence show that hydrogen chloride is a covalent compound.

1. Certain facts show acetic acid to be weak. 2. The examination of reverse reactions proves them to be hydrolyses or ionizations. 3. We know Davy to electrolyze the hydroxides of sodium and potassium in 1807. 4. On lowering the temperature of the saturated solution we see crystallization begin. 5. We can see a mixture of gelatine with water pass unchanged through a filter. 6. Microscopic examination shows minute suspended particles of the solute to be present in the mixture.


Ex. 4. Point out the Objective Infinitive Construction. Translate the sentences into Russian:

1. Scientists showed lithium to be made up of two isotopes. 2. We suppose neon to be unable to form stable compounds with other atoms. 3. Since heat is absorbed when nitrogen (II) oxide is formed, one expects the reaction to be more complete at high temperatures. 4. We know the solubility of substances to be very useful and important data. 5. Many substances require energy to be supplied to them before the reaction begins. 6. Because relatively few substances sublime, this property enables them to be separated from others. 7. Decomposition potential of a cupric chloride solution (1.02 volts) causes copper to be plated out at the copper electrode and chlorine to be liberated at the platinum electrode. 8. We saw burning hydrogen produce much heat but little light.


Oral and Written Speech Aspect




Date: 2015-01-29; view: 2063

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