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Test Unit 7 (Past Perfect)

Authored by Mónica González

English

Professional Development

Test Unit 7 (Past Perfect)
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20 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

When the researcher arrived, the team ______ all the necessary data.

had collected
collected
will collect
has collected

Answer explanation

El past perfect (had + past participle) indica que la acción de recolectar ocurrió antes de la llegada del investigador.

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The patient was feeling better because the doctor ______ a new treatment.

will apply
had applied
applied
has applied

Answer explanation

Usamos past perfect porque la acción de aplicar el tratamiento ocurrió antes de que el paciente se sintiera mejor.

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

By the time the lab technician arrived, the analysis ______.

completed
had been completed
completes
will complete

Answer explanation

Aquí se usa past perfect pasivo para destacar que el análisis ya estaba terminado antes de que llegara el técnico.

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The equipment malfunctioned because no one ______ it properly.

calibrated
has calibrated
had calibrated
calibrate

Answer explanation

El past perfect indica que la falta de calibración ocurrió antes de que el equipo fallara.

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

After the experiment ______, the team prepared a detailed report.

has finished
will finish
finished
had finished

Answer explanation

Se usa past perfect porque la acción de terminar el experimento ocurrió antes de preparar el informe.

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

When the doctor checked the results, the lab technician ______ the slides.

had prepared
prepared
prepares
has prepared

Answer explanation

El past perfect muestra que los portaobjetos ya estaban listos antes de que el doctor revisara los resultados.

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Once the biopsy ______, the pathologist examined the tissue.

took
has taken
was taken
had been taken

Answer explanation

Usamos past perfect pasivo para mostrar que la biopsia fue tomada antes del examen del tejido.

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