Choose the correct option :
Transformation of sentences : Simple to Compound
He must work hard to make up for the lost time.

Question

Choose the correct option : 
Transformation of sentences : Simple to Compound 
He must work hard to make up for the lost time.

Accepted Answer

Option 3 is the correct answer because it accurately transforms the simple sentence into a compound sentence while maintaining the original meaning. Here's why:

*   **Why Option 3 is Correct:** A compound sentence consists of two or more independent clauses joined by a coordinating conjunction (like *and*, *but*, *or*, *so*, *for*, *nor*, *yet*). Option 3, "He must work hard and make up for the lost time," fits this structure perfectly. "He must work hard" is one independent clause, and "make up for the lost time" is another independent clause, and they are joined by the coordinating conjunction "and." This creates a compound sentence that expresses the same idea as the original simple sentence.

*   **Why Option 1 is Incorrect:** Option 1, "He must work hard, cover the lost time," is incorrect because it attempts to join two independent clauses with only a comma. This creates a comma splice, which is a grammatical error. It needs a coordinating conjunction to be a correct compound sentence.

*   **Why Option 2 is Incorrect:** Option 2, "Making up for the lost time he must work hard," changes the sentence structure and emphasis. While grammatically correct, it's not a direct transformation of the original simple sentence into a compound sentence. It's more of a complex sentence with an introductory participial phrase.

*   **Why Option 4 is Incorrect:** Option 4, "Working hard will make up for the lost time," changes the subject and the overall meaning slightly. The original sentence focuses on *his* obligation to work hard. Option 4 shifts the focus to the act of working hard itself being the thing that makes up for lost time. It also doesn't create a compound sentence; it's a simple sentence.