Grammar: The passive p. 118 #623854 - Prove ed esercizi Zanichelli

STEP 3 Watch the videomap and get more practice on transforming sentences

Watch the video to revise the rule and then do the exercise. Transform the sentences from active into passive and vice versa. Use from 2-6 words.

1 The DNA sample was analysed by the technician.
The ________ the DNA sample.
2 Röntgen performed the first x-ray in history.
The first x-ray in history ________.
3 Layla is being asked to help analyse the evidence collected.
________ analyse the evidence collected.
4 Do surgeons often perform this operation?
________ by surgeons?
5 The lab did not provide the results on time.
The results ________ on time.
6 A groundbreaking heart surgery has been successfully completed by the medical team this morning.
________ a groundbreaking heart surgery this morning.

Revise

Completamento aperto

STEP 1 Meet the passive form

Select the passive sentences.

A: Layla is going to ask scientists about the different morphological structures of bacteria.

B: Human knowledge is driven onwards every day by posing simple questions.

C: A scientific breakthrough is more likely to happen through teamwork.

D: Had Jenner invented the first smallpox vaccine by the early 1800s?

E: The lab was broken into last night but, luckily, the samples weren't stolen or destroyed.

F: The new medicine is being tested on the first human right now.

G: Is the lab door open or closed?

H: So many discoveries in science have been made by accident.

Revise

Scelta multipla

STEP 4 Active or passive? Layla's lab report

Complete the report Layla wrote on her work experience at the hospital lab with the correct active or passive form of the verb in brackets. Clue: the verbs in the passive are more than those in the active!

I can't believe my work experience at the hospital lab is over! I ________ (learn) so much this week. On Monday, I ________ (tell) by Dr Chen to assist with blood analysis. In this lab, safety rules must ________ (follow) at all times to prevent contamination.
Every morning, hundreds of blood samples ________ (deliver) to the lab. While I was there, I ________ (watch) the biologists as they studied a very rare blood type. It was fascinating! Dr. Chen explained that in the past they could not ________ (achieve) these results so quickly, but now, with advanced equipment it is possible.
At the moment, a new protocol for testing viruses ________ (introduce) by the hospital board. Dr. Chen ________ (think) that many lives may ________ (save) with this new method. Thanks to this work experience, my own curiosity ________ (push) to the limit! I can't wait to come back.

Revise

Completamento aperto

STEP 2 Get more practice on completing the passive form

Choose the correct alternative to complete the passive form.

1 Curiosity should be ________ nurtured by young scientists.
2 Will the ocean sea-bed ever ________ completely mapped?
3 Simple scientific experiments ________ conducted by the students to test their ideas.
4 Is the temperature ________ monitored in the incubator?
5 Isaac was told ________ working at his research assignment in order to get a good grade.
6 The structure of the bacteria was observed ________ a high-powered microscope.

Revise

Completamento chiuso