Select the most appropriate option that can substitute the underlined segment in the given sentence. If there is no need to substitute it, select ‘No substitution required’. Overexposure to the sun while sunbathing not only results in sunburns but also causes premature aging.
No substitution required
Understanding the Sentence and the Underlined Segment
The sentence given is: "Overexposure to the sun while sunbathing not only results in sunburns but also causes premature aging."
The underlined segment is "while sunbathing". We need to determine if this phrase is used correctly in the sentence or if one of the other options would be a better substitute.
Analyzing the Phrase "while sunbathing"
The phrase "while sunbathing" functions as an adverbial phrase. It tells us when the overexposure to the sun happens. The conjunction "while" is used to introduce a period of time or a simultaneous action. In this case, it indicates that the overexposure occurs during the activity of sunbathing.
The structure "while + present participle (verb-ing)" is a common and grammatically correct way to show that something happens at the same time as another action. For example:
- She listens to music while studying.
- He fell asleep while watching television.
In our sentence, "Overexposure to the sun happens while one is sunbathing." The phrase "while sunbathing" effectively conveys this meaning in a concise way.
Evaluating the Substitution Options
Let's look at the other options provided:
- No substitution required
- for sunbathing
- as sunbathing
- ever sunbathing
Examining Option 2: "for sunbathing"
If we substitute "while sunbathing" with "for sunbathing", the sentence becomes: "Overexposure to the sun for sunbathing not only results in sunburns but also causes premature aging."
The phrase "for sunbathing" usually indicates purpose or destination. For example, "He bought a lotion for sunbathing" (purpose) or "They went to the beach for sunbathing" (destination/activity). In the original sentence, "for sunbathing" would suggest that the overexposure occurs *because* of sunbathing or *for the purpose* of sunbathing, which is not the intended meaning. The intended meaning is that overexposure happens *during* the act of sunbathing.
Therefore, "for sunbathing" is not an appropriate substitute.
Examining Option 3: "as sunbathing"
If we substitute "while sunbathing" with "as sunbathing", the sentence becomes: "Overexposure to the sun as sunbathing not only results in sunburns but also causes premature aging."
The conjunction "as" can have several meanings, including "in the capacity of", "at the same time that", or "because". Using "as sunbathing" here feels awkward and grammatically incorrect. It could potentially mean "in the role of sunbathing" which doesn't make sense in this context, or "at the same time as sunbathing," but "while sunbathing" is the standard and clearer way to express simultaneous action in this kind of sentence structure.
Therefore, "as sunbathing" is not an appropriate substitute.
Examining Option 4: "ever sunbathing"
If we substitute "while sunbathing" with "ever sunbathing", the sentence becomes: "Overexposure to the sun ever sunbathing not only results in sunburns but also causes premature aging."
"Ever" is typically used to mean "at any time" or "always" and is commonly used with perfect tenses, in questions, or negative statements. Placing "ever" directly before a present participle like this ("ever sunbathing") does not form a grammatically correct or meaningful phrase in this context. It completely changes or destroys the intended meaning.
Therefore, "ever sunbathing" is not an appropriate substitute.
Conclusion
Comparing the original sentence with the options, the phrase "while sunbathing" correctly indicates the time or circumstance during which the overexposure to the sun occurs. None of the other options correctly or appropriately substitute the underlined segment.
Therefore, no substitution is required.
| Phrase | Analysis | Appropriate? |
|---|---|---|
| while sunbathing | Indicates action happening at the same time; standard grammatical structure. | Yes |
| for sunbathing | Indicates purpose or destination; doesn't fit the context of when overexposure occurs. | No |
| as sunbathing | Awkward and grammatically incorrect in this context; doesn't clearly convey simultaneous action. | No |
| ever sunbathing | Grammatically incorrect phrase; doesn't make sense in the sentence structure. | No |
Revision Table: Sentence Structure
Understanding how participial phrases and conjunctions like "while" function is key to selecting the correct option in substitution questions.
- A participial phrase often acts as an adjective or adverb, modifying a noun or describing the circumstance of an action.
- "While" can introduce an adverbial clause of time (e.g., "While I was sleeping, the phone rang.") or be followed directly by a participle (e.g., "While sleeping, I dreamt...").
- The structure "while + verb-ing" is a valid and common reduction of a clause like "while [subject] [is/are] verb-ing".
Additional Information: Adverbial Phrases and Clauses
Adverbial phrases and clauses add more information to the verb, adjective, or another adverb in a sentence. They can tell us:
- When: (e.g., while sunbathing, after the meeting)
- Where: (e.g., in the garden, under the table)
- How: (e.g., carefully, with great speed)
- Why: (e.g., because he was tired, for better health)
- To what extent: (e.g., very quickly, extremely happy)
In the given sentence, "while sunbathing" acts as an adverbial phrase of time, explaining when the overexposure happens.
Important Questions from English Grammar
Directions : Item in this section has a sentence with three parts labelled (a), (b) and (c). Read each sentence to find out whether there is any error in any underlined part. Indicate your response in the Answer Sheet against the corresponding letter, i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d).
Our greatest glory is (a) / not in never falling but in (b) / raising every time we fall. (c) / No error (d)
Directions : I tem in this section has a sentence with three parts labelled (a), (b) and (c). Read each sentence to find out whether there is any error in any underlined part. Indicate your response in the Answer Sheet against the corresponding letter, i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d).
Rahim was one of that (a) / selected for (b) / the award. (c) No error (d)
Directions : I tem in this section has a sentence with three parts labelled (a), (b) and (c). Read each sentence to find out whether there is any error in any underlined part. Indicate your response in the Answer Sheet against the corresponding letter, i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d).
Sujini has met her old friend (a) / Guru before she shifted (b) / to Hyderabad two years ago. (c) / No error (d)
Directions : I tem in this section has a sentence with three parts labelled (a), (b) and (c). Read each sentence to find out whether there is any error in any underlined part. Indicate your response in the Answer Sheet against the corresponding letter, i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d).
This monument happens (a) / to be one of the old monument (b) / in the city. (c) / No error (d)
Directions : I tem in this section has a sentence with three parts labelled (a), (b) and (c). Read each sentence to find out whether there is any error in any underlined part. Indicate your response in the Answer Sheet against the corresponding letter, i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d).
Amit told to Divya (a) / that he would come (b) / with a reward for her. (c)/ No error (d)
