Using the passive voice to eliminate the 'doer' of the sentence

Restructure these sentences into the passive form and eliminate the 'doer' of the action.

Stating who the 'doer' is in these sentences would be obvious, repetitive, irrelevant or involve the use of personal pronouns; for example:

Active: We observed the handwashing practices of staff during rostered shifts.

Passive: The handwashing practices of staff were observed during rostered shifts.

Click and drag the options provided to restructure these sentences into the passive. There are more options provided than you will need in order to properly construct your sentences.