The given sentence is in Active Voice. As per the given question, we have to change it to Passive Voice.
The structure of the given sentence is as follows: Subject + V2 + Object.
(Active Voice) Subject (objective case) + was/were + V3 + Object (subjective case).
(Passive Voice) Example: Their cousin showed them some rare photographs.
(Active Voice) They were shown some rare photographs by their cousin.
(Passive Voice) The subject of the given sentence is 'Robin'.
The object of the given sentence is 'The marble.
The subject will be put in place of the object and the object will be put in place of the subject.
And 'rolled' will be changed into 'was rolled'. Lastly, the preposition 'by' will be added.

The given sentence is in Active Voice. As per the given question we have to change it into Passive Voice.
The structure of the given sentence as follows:
Subject + V2+ Object. (Active Voice)
Subject (objective case)+ was/were + V3 + Object (subjective case). (Passive Voice)
Example:
Their cousin showed them some rare photographs. (Active Voice)
They were shown some rare photographs by their cousin. (Passive Voice).
The subject of the given sentence is 'All his friends'.
The object of the given sentence is 'him'.
The subject will be put in place of the object and the object will be put in place of the subject.
And 'laughed' will be changed into 'was laughed'. Lastly, the 'by' preposition will be added.
Therefore, as per the points mentioned above, we find that the correct answer is Option 2.

In Active Voice, a sentence emphasizes the subject, performing an action.
In Passive Voice, a sentence emphasizes the action or the object of the sentence.
The given sentence is in the passive voice and 'all his faults' is the subject and 'her' is the object.
When we convert this sentence into active voice, the subject 'all his faults' of the passive voice becomes the object, the object 'her' becomes the subject 'she'.
The passive format "were + V3 (forgiven)" should be changed into the active format "V2 (forgave)".
This is the active and passive voice rule for the past simple tense.

The given sentence is in the active form and we need to change it to the passive form.
The given sentence is written in the simple present tense.
The simple present tense in the active voice has the following structure: Subject + V1+s/es+ object 

The simple present tense in the passive voice has the following
structure: Object+ is/am/are+ V3+ by + subject
Example - Active voice - He reads a novel.
Passive voice - A novel is read. Rules of Conversion from Active to Passive Voice: Identify the subject, the verb, and the object.
Change the subject into an object. Change the verb into the past participle form.
Change the object into the subject. Therefore, the correct answer is option 3.
Correct Passive Voice:
The clothes are washed by Priya in the evening.

The given sentence is in an active voice form, hence we need to convert it into a passive voice form.
We need to follow these instructions while changing the voice of an assertive sentence.
Find the subject (We) and object (good news) of the sentence and exchange their places.
The given sentence is in the present indefinite tense.
The passive verb form for the present indefinite sentence: is/are + V3 + by + subject.
So, 'expect' changes into 'is expected'.
At last line up the remaining part.
Following this structure, we get the 4th option as the correct answer.  
Following these steps, we finally get- Good news is expected by us about the corona vaccine.