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Lesson 8 (Nov. 3)

Lesson 8 (Nov. 3). Technical Statements in The Passive Form (Prepositions). Prepositions. Many passive statements are followed by prepositional phrases: To: The temperature is reduced to -120ºC. A cover is fixed to the top of the pipe .

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Lesson 8 (Nov. 3)

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  1. Lesson 8 (Nov. 3) Technical Statements in The PassiveForm(Prepositions)

  2. Prepositions • Many passive statements are followed by prepositional phrases: • To: • The temperature is reduced to -120ºC. • A cover is fixed to the top of the pipe. • The derrick is used to lift sections of pipe. • the oil is allowed to flow through a series of valve. • From: • Fresh water can be distilled from sea-water. • Paper is made from wood.

  3. Prepositions • As: • The speed of sound can be taken as 333 m/sec. • Newton’s first law of motion is sometimes known as the law of inertia. • For: • The aeroplanes are tested for structural integrity. • Olive oil can be used for making salad. • At: • The circuit is tested at 100 MHz.

  4. Fill in the prepositions • The liquid is cooled ______ 5ºC. • A small mirror can be used _________ a reflector. • Fresh water can be distilled ________ sea-water. • Distance is measured _________ kilometers. • The current can be deduced __________ the voltage and resistance. • The needle is inserted _________ the hole. • x2-y2can be expressed __________ (x-y)(x+y). • Algebra is derived __________ an Arabic word.

  5. Fill in the prepositions • Mathematics can be used _________ many purposes. • Mathematics can be applied _________ finance. • Modern aeroplanes are equipped ________ jet engines. • Very small numbers such as 10 -7 can be regarded _______ zero. • The PC is connected _________ a monitor. • The expression x = sinqis substituted _______ the equation. • The Harry Porter books have been translated ________ many different languages.

  6. How to Use the Right Preposition? • Which preposition to use depends on the verb AND the context: • applied for • applied to http://oald8.oxfordlearnersdictionaries.com

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