Question

2[A] Change these sentence from active voice to passive voice.

4. Check the lock.

7. Sherya will present a paper on discipline.
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Answer 1

Answer:

1) let the lock be checked .

2)a paper will be presented by shreya on discipline .

Answer 2

1] Let the lock be checked

The lock should be checked.

2] A paper will be presented on discipline by Shreya.

Additional information :

Structure of passive voice - object + past participle + subject.

Example -

1. A book was written by me.
2. Piano was played by Mitali.