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Distance / Amount / Time Expressions

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Introduction

Certain expressions of distance, time, or amount can be tricky in subject-verb agreement. Although they refer to quantities that seem plural, these are treated as singular units when considered as a whole. This pattern helps you identify such cases and choose the correct singular verb form.

Pattern: Distance / Amount / Time Expressions

Pattern: Distance / Amount / Time Expressions

When a distance, period of time, or sum of money is considered as a single unit or total quantity, it takes a singular verb.

Example 1: Five kilometres is a long walk.
Example 2: Ten thousand rupees is enough to buy that laptop.
Example 3: Two years is a long time to wait.

Step-by-Step Example

Question

Choose the correct verb to complete the sentence:

Twenty kilometres _______ a long distance to walk every morning.

(A) are    (B) were    (C) is    (D) have been

Solution

  1. Step 1: Identify the subject.

    The subject Twenty kilometres expresses a total distance - a single measure of quantity.

  2. Step 2: Apply the rule.

    When distance, time, or amount acts as a single whole, use a singular verb.

  3. Step 3: Substitute and check.

    “Twenty kilometres is a long distance to walk every morning” sounds correct and natural.

  4. Final Answer:

    is → Option C

  5. Quick Check:

    You can think: “One total of twenty kilometres = one idea = singular verb.” ✅

Quick Variations

1. Time expressions: “Five years is a long time to wait.”

2. Money expressions: “₹10,000 is enough for the repair.”

3. Distance expressions: “Three kilometres is too short for a run.”

4. When quantities are treated separately (not one unit), use plural - e.g., “The five kilometres are full of steep slopes.”

Trick to Always Use

  • Step 1: Check if the number or measure acts as a single total → use singular verb.
  • Step 2: If the items or units are counted individually → use plural verb.
  • Step 3: For money, distance, and time - usually one total = singular.

Summary

In Distance / Amount / Time Expressions:

  • Use a singular verb when referring to total measurement, time, or money as one unit.
  • Use plural only when referring to separate units or items.
  • Examples:
    • “Ten thousand rupees is enough.” ✅
    • “Five years is a long time.” ✅
    • “The ten kilometres are full of turns.” (each kilometre treated separately) ✅

Practice

(1/5)
1. Choose the correct verb:

Ten kilometres _______ a long way to walk every day.
easy
A. is
B. are
C. were
D. have

Solution

  1. Step 1: Identify the subject.

    The phrase Ten kilometres expresses a total distance.

  2. Step 2: Apply the rule.

    When distance acts as one total measure, use a singular verb.

  3. Step 3: Substitute and check.

    ‘Ten kilometres is a long way to walk every day’ is correct.

  4. Final Answer:

    is → Option A

  5. Quick Check:

    One total distance = singular idea → ‘is’. ✅
Hint: Treat total distance as one unit → singular verb.
Common Mistakes: Using ‘are’ because kilometres looks plural.
2. Select the correct option:

Five years _______ enough time to complete this project.
easy
A. are
B. is
C. were
D. have

Solution

  1. Step 1: Identify the subject.

    The subject Five years expresses one total period of time.

  2. Step 2: Apply the rule.

    Time expressions treated as a whole take a singular verb.

  3. Step 3: Substitute and check.

    ‘Five years is enough time to complete this project’ is correct.

  4. Final Answer:

    is → Option B

  5. Quick Check:

    One total duration = singular idea → ‘is’. ✅
Hint: Use ‘is’ when referring to total time or duration as one unit.
Common Mistakes: Thinking plural noun ‘years’ needs ‘are’.
3. Fill in the blank:

₹50,000 _______ a huge amount for a student to save.
easy
A. is
B. are
C. were
D. have been

Solution

  1. Step 1: Identify the subject.

    The subject ₹50,000 represents one total amount of money.

  2. Step 2: Apply the rule.

    When an amount of money is treated as one total sum, use a singular verb.

  3. Step 3: Substitute and check.

    ‘₹50,000 is a huge amount for a student to save’ is correct.

  4. Final Answer:

    is → Option A

  5. Quick Check:

    Total sum = singular → ‘is’. ✅
Hint: Amounts of money as totals take singular verbs.
Common Mistakes: Using ‘are’ because of the plural-looking number.
4. Choose the correct verb:

Three hours _______ a long time to wait for a train.
medium
A. are
B. were
C. is
D. have

Solution

  1. Step 1: Identify the subject.

    The subject Three hours expresses one total period of time.

  2. Step 2: Apply the rule.

    When time acts as one total duration, the verb should be singular.

  3. Step 3: Substitute and check.

    ‘Three hours is a long time to wait for a train’ is correct.

  4. Final Answer:

    is → Option C

  5. Quick Check:

    Total time = one idea → singular verb. ✅
Hint: Time periods treated as total durations use singular verbs.
Common Mistakes: Choosing ‘are’ because ‘hours’ looks plural.
5. Select the correct sentence.
medium
A. Ten lakh rupees are enough to start a small business.
B. Ten lakh rupees were enough to start a small business.
C. Ten lakh rupees have been enough to start a small business.
D. Ten lakh rupees is enough to start a small business.

Solution

  1. Step 1: Identify the subject.

    The subject Ten lakh rupees refers to one total sum of money.

  2. Step 2: Apply the rule.

    When the amount is considered as one unit, it takes a singular verb.

  3. Step 3: Substitute and check.

    ‘Ten lakh rupees is enough to start a small business’ is grammatically correct.

  4. Final Answer:

    Ten lakh rupees is enough to start a small business. → Option D

  5. Quick Check:

    Total amount = singular → ‘is’. ✅
Hint: Use ‘is’ when money amount is one total sum.
Common Mistakes: Using plural ‘are’ because the noun ends in ‘rupees’.