Improving Sentence Grammar: Correcting the Idiom

The question asks us to select the best option to improve the underlined part of the sentence: "I was look forward to helping you complete the project." The underlined part is "look forward to helping".

Let's analyze the sentence structure and the idiom used. The phrase "look forward to" is a common idiom in English. It means to anticipate something with pleasure. A key grammatical rule with this idiom is that the word "to" is a preposition, not part of an infinitive verb (like "to help"). When "to" is a preposition, the verb that follows it must be in the gerund form (the -ing form).

So, the correct structure for the idiom is:

look forward to + Gerund (V-ing)

In the given sentence, the verb following "look forward to" is "help". According to the rule, it should be in the gerund form, which is "helping".

Now let's look at the options provided for replacing the underlined part "look forward to helping":

• Option 1: <p>look forward helping </p>

  This option is missing the crucial preposition "to" after "forward". This makes the structure incorrect.

• Option 2: <p>look forward to helping </p>

  This option uses the correct structure of the idiom: "look forward to" followed by the gerund "helping". This perfectly matches the required grammatical form for the idiom.

• Option 3: <p>look forwarding to helps </p>

  This option uses "forwarding" instead of "forward", which is not part of the idiom. It also uses "helps" after "to", which is neither a gerund nor an appropriate form here.

• Option 4: <p>look forwarding to helping </p>

  This option incorrectly uses "forwarding" instead of "forward". While it correctly uses the gerund "helping", the incorrect use of "forwarding" makes this option wrong.

Comparing the options, only option 2, "look forward to helping", correctly represents the required structure of the idiom "look forward to" followed by a gerund.

Although the original sentence starts with "I was", implying a past continuous structure (which would ideally require "looking forward"), the options provided focus on the structure of the underlined phrase itself. Among the given choices, option 2 provides the grammatically correct structure for the idiom "look forward to" followed by a gerund ("helping").

Therefore, based on the available options and the focus on correcting the underlined part, option 2 is the correct choice as it provides the standard and grammatically correct form of the idiom "look forward to helping".

Revision Table: Key Grammatical Points

Additional Information: Common Phrases Followed by Gerunds

It is common for verbs or phrases ending in a preposition "to" to be followed by a gerund (V-ing), not an infinitive. Recognizing these patterns is important for correct grammar.

Here are a few other common phrases where "to" is a preposition followed by a gerund:

• be accustomed to + V-ing (e.g., I am accustomed to waking up early.)
• object to + V-ing (e.g., She objects to paying so much tax.)
• in addition to + V-ing (e.g., In addition to studying, he works part-time.)
• be committed to + V-ing (e.g., They are committed to improving the service.)
• get around to + V-ing (e.g., I finally got around to cleaning the garage.)
• be used to + V-ing (e.g., We are used to the noise now. - Note: different from "used to + base verb")

Understanding that "to" can function as either part of an infinitive ("to help") or a preposition ("look forward to helping") is key to avoiding grammatical errors in English sentences.