Understanding Comparative Adverbs in English Grammar

The original sentence is "One should work hard than others to succeed." We need to find the most appropriate substitute for the underlined segment "hard than".

Let's analyze the structure of the sentence. The phrase "than others" indicates a comparison is being made. When comparing one person's work effort to that of others, we need to use the comparative form of the adverb that describes how they work. In this sentence, the word "hard" is used as an adverb modifying the verb "work".

Comparative Form of Adverbs

Adverbs tell us how, when, where, or to what extent an action is performed. Like adjectives, many adverbs have comparative and superlative forms to show degrees of comparison.

• The base form is used when there is no comparison (e.g., "She works hard.").
• The comparative form is used when comparing two things or groups (e.g., "She works harder than him.").
• The superlative form is used when comparing three or more things or groups (e.g., "She works hardest of all.").

For most one-syllable adverbs (like 'hard'), the comparative form is created by adding '-er', and the superlative form by adding '-est'. The structure for comparison with two things is typically comparative form + than.

Analyzing the Options for "Hard than"

The phrase "hard than" is grammatically incorrect because "hard" is the base form, but the structure "than others" requires a comparative form.

Let's examine the given options:

1. harder than: This option uses the comparative form of the adverb "hard", which is "harder", followed by "than". This fits the required grammatical structure for comparing the work effort of one person to others.
2. hardest that: "hardest" is the superlative form, used for comparing more than two. "that" is also incorrect in this comparative structure; "than" is needed.
3. harder to: "harder" is the comparative form, but it is followed by "to" instead of "than". While "harder to" can be correct in other contexts (e.g., "This problem is harder to solve"), it does not fit the comparison structure required by "than others".
4. hard to: This uses the base form "hard" and is followed by "to". Neither the form of the adverb nor the following word fits the comparative structure.

Conclusion: Choosing the Correct Substitution

Based on the analysis of comparative forms and the structure of the sentence requiring a comparison using "than", the phrase "harder than" is the only option that correctly completes the sentence grammatically and logically.

The corrected sentence would be: "One should work harder than others to succeed."

Revision Table: Comparative Adverbs

Additional Information: Using Comparative Forms

Comparative forms are essential for making comparisons in English. Here are some key points to remember:

• For most adverbs ending in -ly (like 'quickly', 'slowly', 'carefully'), we use 'more' for the comparative and 'most' for the superlative.
• Some common adverbs have irregular comparative and superlative forms, such as 'well' (better, best) and 'badly' (worse, worst).
• Always ensure the correct word ('than') follows the comparative form when making a direct comparison between two entities or groups.
• The superlative form is typically preceded by 'the' or a possessive and is often followed by 'of' or 'in' (e.g., "He works the hardest in the team.").

Understanding the rules for forming and using comparative and superlative adverbs helps construct grammatically correct and clear sentences when making comparisons.