Select the most appropriate option to substitute the underlined segment in the given sentence. Physical activity has been projected to be helpful on avoidance of depression, by the experts.
projected to be helpful in the avoidance
Understanding Sentence Structure and Prepositions
The question asks us to identify the most appropriate phrase to replace the underlined segment "projected to be helpful on avoidance of depression" in the sentence: "Physical activity has been projected to be helpful on avoidance of depression, by the experts." This involves understanding the correct usage of prepositions, specifically with the adjective "helpful" and the noun "avoidance".
Analyzing the Original Sentence Segment
The phrase "helpful on avoidance" is grammatically incorrect in standard English. When describing something that helps prevent or steer clear of something else, the prepositions "in" or "for" are typically used with "avoidance". "Helpful on" is not a common or correct construction in this context.
Evaluating the Options for Substitution
Let's examine each provided option:
- projected to be helpful about avoidance
- projected to be helpful in the avoidance
- projected to be helpful for avoidance
- projected to be helpful of avoidance
Analysis of Each Option:
- Option 1: projected to be helpful about avoidance
The preposition "about" is generally used to discuss a topic or subject. While one can be 'helpful about' a topic by providing information, it doesn't fit the context of assisting in the act of avoiding something like depression. - Option 2: projected to be helpful in the avoidance
This option uses the preposition "in" with "the avoidance". The phrase "helpful in the avoidance of something" is a grammatically sound and commonly used construction. It indicates that the activity assists in the process of avoiding depression. - Option 3: projected to be helpful for avoidance
Using "for" with "avoidance" is also possible, as in "helpful for avoiding something". However, when used with the noun "avoidance" itself (especially with "of depression"), "in the avoidance of" is generally preferred as it emphasizes the process or manner in which help is provided. "Helpful for avoidance" feels slightly less precise or natural than "helpful in the avoidance". - Option 4: projected to be helpful of avoidance
The preposition "of" is not correctly used after "helpful" to indicate the area of benefit in this manner. While one might say "helpful of you" to mean 'kind of you', it doesn't work with "avoidance".
Determining the Most Appropriate Option
Based on grammatical correctness and common English usage, "helpful in the avoidance of" is the most appropriate and natural-sounding phrase among the given options. It clearly conveys that physical activity assists in the process of avoiding depression.
Corrected Sentence
Substituting the original phrase with the most appropriate option gives us the corrected sentence:
Physical activity has been projected to be helpful in the avoidance of depression, by the experts.
Revision Table: Preposition Usage with 'Helpful'
| Phrase with 'Helpful' | Typical Usage/Context | Example |
|---|---|---|
| Helpful in + Gerund/Noun Phrase | Assisting in a process or activity | Helpful in completing the task; helpful in the avoidance of problems |
| Helpful for + Noun/Gerund | Beneficial for a purpose or outcome | Helpful for studying; helpful for your health |
| Helpful to + Person/Organization | Benefiting someone or something directly | Helpful to the community; helpful to students |
| Helpful about + Topic | Providing information or assistance regarding a topic | Helpful about the new rules |
| Helpful on + ... | Less common, depends on context (e.g., helpful on a specific day, but not with 'avoidance') | Not applicable with 'avoidance' |
Additional Information: Prepositions and Meaning
Prepositions are small words (like in, on, for, of, about, by, with) that show the relationship between a noun or pronoun and other words in a sentence. Choosing the correct preposition is crucial for conveying the intended meaning accurately. Incorrect preposition usage can make a sentence sound awkward, confusing, or grammatically wrong.
In this specific case, the choice of preposition after "helpful" and before "avoidance" significantly impacts how the help is described – whether it's help *in the process* of avoiding, help *for the purpose* of avoidance, or some other relationship.
The phrase "in the avoidance of" is a standard idiom used to mean 'in preventing' or 'in keeping away from'. Learning such common idiomatic phrases involving prepositions is essential for improving fluency and accuracy in English.
Important Questions from Phrase Replacement
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