Find the Correct (Right)sentence.

A) I know how to operate a computer.
B) The officer made the peon to do the work again.
C) We felt the whole building to vibrate.
D) none of these

• I know how to operate a computer.
• The officer made the peon to do the work again.
• We felt the whole building to vibrate.
• none of these
Correct Option: A  [ I know how to operate a computer. ]

Remark: "I know how to operate a computer" is the simple present tense. This tense is used to express general truths, habitual actions, and facts that are always true.

correct form of other two sentences are
B: "The officer made the peon do the work again."
C: "We felt the whole building vibrating."

Had they not helped (A) / him with money (B) / he would not have attained this position (C) / No error (D). (find error)

• A
• B
• C
• D
Correct Option: D  [ No error ]

Remark:

We already left (a)/ the station (b)/ when our host came. (c)/ No error. (d)

• a
• b
• c
• d
Correct Option: A  [ a ]

Remark: 'had already left'

Find the Incorrect (Wrong) sentence.

A) five times ten is fifty.
B) One of my friends is leaving for Japan.
C) Neither you or I are to be blamed.
D) none of these.

• five times ten is fifty.
• One of my friends is leaving for Japan.
• Neither you or I are to be blamed.
• none of these
Correct Option: C  [ Neither you or I are to be blamed. ]

Remark: Neither you or I is to be blamed.
Rule: two subjects connected by or/nor, either/or, or neither/nor, the verb must agree with the second subject (the subject closer to the verb).

Find the incorrect (Wrong) sentence.

• One should keep his promise.
• Beena and I work in the same office.
• This the best film I have ever seen.
• None of these.
Correct Option: A  [ One should keep his promise. ]

Remark: uses of "his" is a gender-specific pronoun. To make the sentence gender-neutral and more inclusive, use "one's" instead of "his".
correct sentence: One should keep one's promise.

The leader and the villagers is (A)/ having a meeting (B)/ about the various development activities (C)/ No error (D). (find error)

• A
• B
• C
• D
Correct Option: A  [ The leader and the villagers is ]

Remark: "The leader and the villagers are having a meeting about the various development activities."

The subject of the sentence is a plural compound subject, "the leader and the villagers," so the verb "are" should also be in the plural form to match the subject.

Find the Incorrect (Wrong) sentence.

A) My brother lost the case since five years ago.
B) I found the pen that I lost yesterday.
C) We shall meet tomorrow to discuss the plan
D) none of these

• My brother lost the case since five years ago.
• I found the pen that I lost yesterday.
• We shall meet tomorrow to discuss the plan
• none of these
Correct Option: A  [ My brother lost the case since five years ago. ]

Remark: "My brother lost the case five years ago."
The use of "since" is not appropriate because it is referring to a past event (losing the case) rather than a starting point for a continuing action.

If I was you, I would not treat him like this.

• was I you
• If I have been you
• If I were you
• No error
Correct Option: C  [ If I were you ]

Remark: "If I were" is used when the subject of the sentence is referring to a hypothetical or imaginary situation.

I have been ill(A)/ since(B) yesterday evening.(C)/ no error(D) (Find error)

• A
• B
• C
• D
Correct Option: D  [ no error ]

Remark:

Find the Incorrect (Wrong) sentence.

A) He is neither rich nor clever.
B) He is neither cares for his wife nor his children.
C) He cheated not only her but also my brother.
D) none of these.

• He is neither rich nor clever.
• He is neither cares for his wife nor his children.
• He cheated not only her but also my brother.
• none of these.
Correct Option: B  [ He is neither cares for his wife nor his children. ]

Remark: "He neither cares for his wife nor his children."
The word "is" removed from the sentence to create a parallel structure.