Passive voice
change this verb into the passive form: "Technicians label the bottles"
The bottles are labeled by technicians.
Les mostres són transportades en una nevera portàtil.
The samples are transported in a cooler.
They ____ (drink) tea yesterday
They drank tea yesterday
This protective item is worn on the hands to avoid contamination.
Gloves
At the moment she ______ (enjoy) the hot sun at the beach.
At the moment she is enjoying the hot sun at the beach.
Transform to passive:
“They collected the samples at the river."
The samples were collected at the river.
L’equip ha estat calibrat aquest matí.
The equipment has been calibrated this morning
We (not fly) _________ to Paris last Monday..
We didn't fly to Paris last Monday.
You wear this to protect your clothes while working in the lab
Lab coat
It _____ (not / rain) often here during spring.
It doesn't rain often here during spring.
Change into Active:
The bottles are stored in the fridge (by them)
They store the bottles in the fridge.
Les ampolles són etiquetades abans del mostreig
The bottles are labelled before sampling.
He ____ (break) his leg yesterday.
He broke his leg yesterday.
This object is used to write down observations during sampling
field notebook.
He _____ (be) from Germany but he (live)______ in Texas now.
He is from Germany but he is living in Texas now.
Change into the passive voice: We labelled the bottles incorrectly
The bottles were labelled incorrectly by us
Els informes són enviats cada setmana.
The reports are sent every week.
My sister (write) to the sports centre yesterday?
Did my sister write to the sports centre yesterday?
This is the term for accidentally adding unwanted substances to a sample.
Contamination.
We _______ volleyball this afternoon and later we____________ a barbecue.
1. are playing, have
2. playing, having
3. play, have
1. are playing, have
We are playing volleyball this afternoon and later we have a barbecue.
Complete in passive:
“The report ________ (finish) by the end of the day
The report will be finished by the end of the day
Els reactius han estat preparats pels estudiants.
The reagents have been prepared by the students.
We _____ (be) in our house when the earthquake _____ (happen).
We were in our house when the earthquake happened.
You use this to avoid mixing two samples using the same equipment.
sterile bottles
Don't talk to me now. I am ______ (write) a very important letter. I ______ (not / have) time to talk
Don't talk to me now. I am writing a very important letter. I don't have time to talk.
Change into active voice:
The reagents have been prepared by the laboratory assistant.
The laboratory assistant has prepared the reagents.
El nivell de pH serà mesurat més tard.
The pH level will be measured later.
Last Saturday, the children in the class ___ (be) noisy.
Last Saturday, the children in the class were noisy.
This instrument measures how acidic or basic the water is.
a pH meter.
Evan ____________(not like) hot summers, but this year, he is __________ (move) to Spain.
Evan doesn't like hot summers, but this year, he is moving to Spain.