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Active and Passive Voice are two forms of any transitive verb. In passive sentences, we always use the past participle form of a verb. However, the syntax changes with each tense. Similarly, the passive form of the transitive verb DO is DONE and it’s used with different auxiliary verbs in different tenses. The following examples show the use of DO in its passive form in different tenses. They may help you understand its usage better:
a) Simple Present:
Syntax: Object + am/is/are + DONE
Example: Sweeping is done every morning by them.
b) Present Continuous:
Syntax: Object + am/is/are +being + DONE
Example: Research is being done to find a cure for cancer.
c) Present Perfect:
Syntax: Object + has/have + been + DONE
Example: The work has already been done.
d) Simple Past:
Syntax: Object + was/were + DONE
Example: All his marriage shopping was done in just two days!
e) Past Continuous:
Syntax: Object + was/were + being + DONE
Example: No work was being done yesterday.
f) Past Perfect:
Syntax: Object + had+ been + DONE
Example: The housework had already been done by Mr. Smith, when the guests arrived.
g) Simple Future:
Syntax: Object + will + be + DONE
Example: No work will be done tomorrow.
h) Future Perfect:
Syntax: Object + will + have + been + DONE
Example: The homework will have been done by sunset.
i) Modals (Can/Could/May/Might/Must/Should/Used to):
Syntax: Object + Modal + be + DONE
Example: More and more research must be done to discover an affordable way to convert sea water to drinking water.
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