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Unidad 3

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La voz pasiva

Tiempos simples: presente

Formacin:

The scientist writes a report.

1 2 3

A report is written by the scientist.

3 2 1

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Voz activa o voz pasiva?

Si es importante expresar quin realiza la accin se

utiliza la voz activa o la pasiva seguida por by..

Activa:

Peter Franks runs the Marketing Department.

Pasiva:

The Marketing Department is run by Peter Franks.

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Voz pasivaFormas tpicas

Microstructures comprising an optimized combination

of nano- and ultra-fine grains are obtained in austenitic

stainless steels by controlled annealing of heavily cold-worked metastable austenite.

Las microestructuras que incluyen una combinacin optimizada

tanto de nanogranos como de ultra finos son obtenidas en los

aceros inoxidables austenticos por el recocido controlado de la

austenita metaestable trabajada lentamente (laboriosamente) en

fro.

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Voz pasivaFormas tpicas (cont.):

Si no se conoce o no es importante expresar quin realiza la accin

se utiliza la voz pasiva sin by:

Microstructures comprising an optimized combination ofnano- and ultra-fine grains are obtained in austenitic

stainless steels.

En tal caso puede recurrirse en espaol a una pasiva con se:

En los aceros inoxidables austenticos se obtienen microestructuras

que incluyen una combinacin optimizada tanto de nanogranos

como de ultra finos.

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La voz pasiva (cont)

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Voz pasiva: tiempos simples - Presente

Afirmativo

S

ingular

A report is written

(by me).

(by you).

(by her).

(by him).

A drawing is printed(by the plotter)/(by

it).Plural

A report is written

(by us).

(by you).

(by them).

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Voz pasiva: tiempos simplesPresente (cont.)

Negativo

S

ingular

A report is not written

(by me).

(by you).

(by her).

(by him).

A drawing is not printed(by the plotter)/(by

it).Plural

A report is not written

(by us).

(by you).

(by them).

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Voz pasiva: tiempos simples - Presente (cont.)

Negativo (contracciones)

S

ingular

A report isnt written

(by me).

(by you).

(by her).

(by him).

A drawing isnt printed(by the plotter)/(by

it).Plural

A report isnt written

(by us).

(by you).

(by them).

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Interrogativo

Si

ngular

Is a report written

(by me)?

(by you)?

(by her)?

(by him)?

Is a drawing printed (by the plotter)/(by it)?

Plural

Is a report written

(by us)?

(by you)?

(by them)?

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Interrogativo negativo (contracciones)

Si

ngular

Isnt a report written

(by me)?

(by you)?

(by her)?

(by him)?

Isnt a drawing printed (by the plotter)/(by it)?

Plural

Is a report written

(by us)?

(by you)?

(by them)?

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Voz pasiva (cont.)

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Tiempos progresivos - Presente

Formacin:

The scientist is writing a report.

1 2 3

A report is being written by the scientist.

3 2 1

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To meet this challenge, a number of innovative

approaches are being developed by the technologists.

Para alcanzar este desafo, una cantidad de mtodos innovativos

estn siendo desarrollados por los tecnlogos.

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Si no se conoce o no es importante expresar quin realiza la

accin se utiliza la voz pasiva sin by:

To meet this challenge, a number of innovative

approaches are being developed.

En tal caso puede recurrirse en espaol a una pasiva con se:

Para alcanzar este desafo, se estn desarrollando una cantidad

de mtodos innovativos.

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Voz pasiva: tiempos progresivos - Presente

Afirmativo

S

ingular

A report is being written

(by me).

(by you).

(by her).(by him).

A drawing is being printed(by the plotter)/(by

it).Plural

A report is being written

(by us).

(by you).

(by them).

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Negativo

S

ingular

A report is not being written

(by me).

(by you).

(by her).(by him).

A drawing is not being printed(by the

plotter)/(by it).Plural

A report is not being written

(by us).

(by you).

(by them).

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S

ingular

A report isnt being written

(by me).

(by you).

(by her).(by him).

A drawing isnt being printed(by the

plotter)/(by it).

Plural

A report isnt being written

(by us).

(by you).

(by them).

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Interrogativo

S

ingular

Is a report being written

(by me)?

(by you)?

(by her)?

(by him)?

Is a drawing being printed(by the plotter)/(by

it)?Plural

Is a report being written

(by us)?

(by you)?

(by them)?

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Interrogativo negativo

S

ingular

Is a report not being written

(by me)?

(by you)?

(by her)?(by him)?

Is a drawing not being printed(by the

plotter)/(by it)?Plural

Is a report not being written

(by us)?

(by you)?

(by them)?

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S

ingular

Isnt a report being written

(by me)?

(by you)?

(by her)?(by him)?

Isnt a drawing being printed(by the plotter)/(by

it)?Plural

Isnt a report being written

(by us)?

(by you)?

(by them)?

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Tiempos perfectos - Presente

Formacin:

The scientist has written a report.

1 2 3

A report has been written by the scientist.

3 2 1

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Metallic glasses based on the specialized formulation

of ferrous alloys have been developed by thetechnologist.

Los vidrios con contenido metlico, basados en la formulacin

especializada de aleaciones ferrosas, han sido desarrollados por

los tecnlogos.

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Si no se conoce o no es importante expresar quin realiza la

accin se utiliza la voz pasiva sin by:

Metallic glasses based on the specialized formulation

of ferrous alloys have been developed.

En tal caso puede recurrirse en espaol a la voz pasiva con se:

Se han desarrollado vidrios con contenido metlico basados en la

formulacin especializada de aleaciones ferrosas.

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Voz pasiva: tiempos perfectos - Presente

Afirmativo

S

ingular

A report has been written

(by me).

(by you).

(by her).(by him).

A drawing has been printed(by the plotter)/(by

it).

Plural

A report has been written

(by us).

(by you).

(by them).

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Negativo

S

ingular

A report has not been written

(by me).

(by you).

(by her).(by him).

A drawing has not been printed(by the

plotter)/(by it).

Plural

A report has not been written

(by us).

(by you).

(by them).

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S

ingular

A report hasnt been written

(by me).

(by you).

(by her).(by him).

A drawing hasnt been printed(by the

plotter)/(by it).

Plural

A report hasnt been written

(by us).

(by you).

(by them).

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Interrogativo

Singular

Has a report been written

(by me)?

(by you)?

(by her)?(by him)?

Has a drawing been printed(by the

plotter)/(by it)?

Plural

Has a report been written

(by us)?

(by you)?

(by them)?

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Interrogativo negativo

Singular

Has a report not been written

(by me)?

(by you)?

(by her)?(by him)?

Has a drawing not been printed(by the

plotter)/(by it)?

Plural

Has a report not been written

(by us)?

(by you)?

(by them)?

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Singular

Hasnt a report been written

(by me)?

(by you)?

(by her)?(by him)?

Hasnt a drawing been printed(by the

plotter)/(by it)?

Plural

Hasnt a report been written

(by us)?

(by you)?

(by them)?

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Adjetivos posesivos

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Steel is one of the most widely used engineering

materials in the world. Itspreeminent position amongts

the engineering materials arises due to the abundanceand low cost of its main constituent, i.e. iron, and its

amenability to produce a wide variety of engineered

microstructures with superior properties, and

recyclability.

El acero es una de los materiales industriales ms ampliamente

utilizados en el mundo. Su posicin preeminente entre dichos

materiales surge debido a la abundancia y bajo costo de suprincipal constituyente, (es decir) el hierro, y su aptitud para

producir una extensa variedad de microestructuras ideadas

(creadas) que tienen propiedades superiores y reciclabilidad.

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Otros ejemplos:

The columns show little variation in theirdimensions or

internal structure.

Las columnas muestran poca variacin en sus dimensiones oestructura interna.

We are receiving many comments on the quality of our

telescope, as well as on itsoptical perfection.

Estamos recibiendo muchos comentarios sobre la calidad de

nuestrotelescopio, as como tambin sobre superfeccin ptica.

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Adjetivos posesivos

Pronombres

sujeto

Adjetivos

posesivos

Pronombres

objetivos

I

you

she

he

it

weyou

they

my

your

her

his

its

ouryour

their

me

you

her

him

it

usyou

them

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Documents

Unidad+3-.ppt