Analyzing the Sentence and Identifying the Grammar Error

The original sentence is: "I have been worked hard to finish this project." We need to examine the underlined segment "have been worked" to determine if it is grammatically correct in this context or if it needs to be substituted.

The sentence describes an action (working hard) that started in the past and has continued up to the present time, related to finishing a project. This kind of action is typically expressed using the present perfect continuous tense.

Let's look at the structure of the underlined part: "have been worked".

• "have been" are auxiliary verbs.
• "worked" is the past participle of the verb "work".

The structure "have been + past participle" is commonly used in the present perfect passive voice (e.g., "The work has been finished."). However, in the sentence "I have been worked hard," the subject "I" is performing the action of working hard, not receiving the action. Therefore, the sentence should be in the active voice.

The structure for the active present perfect continuous tense is: Subject + have/has + been + verb-ing (present participle).

Since the verb is "work", the present participle is "working".

Thus, the correct active present perfect continuous form would be "have been working".

The original segment "have been worked" is grammatically incorrect for expressing an ongoing action performed by the subject in the present perfect continuous tense.

Evaluating the Substitution Options

Let's analyze each option provided for substituting "have been worked":

1. No substitution required: As established, "have been worked" is incorrect in this active context requiring the present perfect continuous tense. So, substitution is required.
2. have been working: This option follows the structure of the active present perfect continuous tense (have + been + working). "I have been working hard" means that the action of working hard started in the past and has continued until now or very recently, which fits the context of trying to finish a project. This seems grammatically correct and appropriate.
3. working: "Working" is the present participle but is not a complete verb form on its own to make a sentence in this context. You need auxiliary verbs (e.g., "I am working", "I was working", "I have been working"). "I working hard" is incomplete and grammatically incorrect.
4. had been worked: This uses the past perfect tense in what appears to be a passive structure (had + been + past participle). The past perfect tense describes an action that was completed before another action in the past. This tense does not fit the context of an action leading up to the present moment ("to finish this project" implies the project is current). Also, "I had been worked hard" in the passive voice is grammatically awkward and incorrect here; the subject "I" is doing the working, not being worked upon. The active past perfect continuous would be "had been working", but this tense is not suitable for the given sentence's timeframe.

Conclusion on the Correct Substitution

Based on the analysis, the original segment "have been worked" is grammatically incorrect. The sentence requires the present perfect continuous tense in the active voice to describe an action that began in the past and continues. The correct structure is "have been working".

Therefore, the most appropriate option to substitute the underlined segment is "have been working".

Revision Table: Verb Tenses & Forms

Additional Information: Active vs. Passive Voice

Understanding the difference between active and passive voice is crucial for choosing the correct verb form.

• In the active voice, the subject performs the action. Example: I wrote the letter. (I am the doer)
• In the passive voice, the subject receives the action. Example: The letter was written by me. (The letter is the receiver)

In the original sentence "I have been worked hard," the subject is "I". The intended meaning is that "I" performed the action of working hard. This requires the active voice. The structure "have been worked" resembles a passive construction (have been + past participle), but the verb "work" is being used in a way that implies the subject is the performer. Thus, the active present perfect continuous "have been working" is the correct form.