Find out whether there is any grammatical error in below sentence. No sooner did / the chairman begin speaking / some participants started / shouting slogans.

The correct answer is: No error.

The sentence “No sooner did the chairman begin speaking than some participants started shouting slogans” is a complex sentence with two independent clauses: “No sooner did the chairman begin speaking” and “some participants started shouting slogans.” The two clauses are joined by the subordinating conjunction “than,” which indicates that the second clause happened immediately after the first.

The sentence is grammatically correct and does not contain any errors.

Here is a brief explanation of each option:

• Option A: “No sooner did” is a correct use of the subordinating conjunction “no sooner.”
• Option B: “the chairman begin speaking” is a correct use of the verb “begin” in the past tense.
• Option C: “some participants started” is a correct use of the verb “start” in the past tense.
• Option D: “shouting slogans” is a correct use of the gerund phrase “shouting slogans” as the object of the verb “start.”
• Option E: “No error” is the correct answer.