Direction: The following sentence has been divided into parts. One of them may contain an error. Select the part that contains the error from the given options. If you don’t find any error, mark ‘No error’ as your answer. By the time / we will reach the station, / the train will have already left.
we will reach the station
Understanding Grammar Errors in Time Clauses
The question asks us to identify the part of the sentence that contains a grammatical error. The sentence is divided into three parts, and it involves a time clause introduced by "By the time".
Let's break down the sentence parts:
- By the time
- we will reach the station
- the train will have already left.
This sentence describes a future situation where one event (the train leaving) will be completed before another future event (reaching the station).
Analyzing the Time Clause with "By the Time"
When we use conjunctions like "By the time", "when", "as soon as", "until", etc., to introduce a clause about a future event, the verb in this time clause typically uses the present simple tense, not the future simple tense. The main clause, describing the action that will happen by or at that time, uses a future tense, often the future perfect tense (like 'will have left') to show completion by that future point.
The structure is usually:
By the time + Subject + Present Simple verb, Subject + Future Tense verb (often Future Perfect)
Identifying the Specific Error
Let's apply this rule to the given sentence parts:
- Part 1: "By the time" - This is the correct conjunction to introduce such a clause. No error here.
- Part 2: "we will reach the station" - This part uses the future simple tense ("will reach"). According to the rule for time clauses referring to the future, this should be in the present simple tense. The correct form would be "we reach the station". This part contains the error.
- Part 3: "the train will have already left" - This part uses the future perfect tense ("will have already left"), which correctly describes an action that will be completed by the future time mentioned in the time clause. No error here.
Therefore, the error is in the part "we will reach the station".
Confirming the Correct Part
Based on our analysis, the segment "we will reach the station" is the one containing the grammatical error related to the incorrect tense usage in the time clause.
Revision Table: Future Time Clauses
| Conjunctions | Time Clause Tense (referring to future) | Main Clause Tense | Example |
|---|---|---|---|
| When, As soon as, Until, Before, After, By the time | Present Simple | Future Simple / Future Perfect / Other Future Forms | By the time we reach the station, the train will have already left. When you arrive, I will be waiting. |
Additional Information on Future Time Clauses
Future time clauses, also known as subordinate clauses of time, specify when the action in the main clause will happen. They begin with conjunctions like 'when', 'while', 'as soon as', 'before', 'after', 'until', 'by the time', 'once', etc.
- The key rule is that even though these clauses refer to a future event, the verb is almost always in the present tense (present simple or sometimes present perfect), not the future tense with 'will'.
- The main clause describes the future action and uses a future tense (future simple, future perfect, future continuous, 'be going to', etc.). The choice of future tense in the main clause depends on how the action relates to the time specified in the time clause (e.g., simple action, completed action, ongoing action).
- Example with 'when': When I finish my homework (Present Simple), I will go to the park (Future Simple).
- Example with 'as soon as': As soon as she gets the news (Present Simple), she will call us (Future Simple).
- Example with 'until': We won't start the meeting (Future Simple) until everyone arrives (Present Simple).
Understanding this rule is crucial for constructing grammatically correct sentences involving future time references.
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Important Questions from Error Spotting
The following question has a sentence with three underlined parts labelled (a), (b) and (c). Read each sentence to find out whether there is any error in any underlined part and indicate your response against the corresponding letter i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d).
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The following question has a sentence with four parts labelled (a), (b), (c), and (d). Read each sentence to find out whether there is an error in any part and indicate your response against the corresponding letter i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d).
CV Raman was one of the greatest sons of India (a) who has earned everlasting fame (b) for scientific researches. (c) No error. (d)
The following question has a sentence with three underlined parts labelled (a), (b) and (c). Read each sentence to find out whether there is any error in any underlined part and indicate your response against the corresponding letter i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d).
This box(a)is heavy than(b) the other one.(c) No error. (d)
The following question has a sentence with three underlined parts labelled (a), (b) and (c). Read each sentence to find out whether there is any error in any underlined part and indicate your response against the corresponding letter i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d).
Thewriter does not have the freedom (a) to choose his own themes, (b) society thrusts them on him (c) No error. (d)
The following question has a sentence with three underlined parts labelled (a), (b) and (c). Read each sentence to find out whether there is an error in any underlined part and indicate your response against the corresponding letter i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d).
No one knows (a) why he did it, (b) or who was behind his doing it.(c) No error. (d)
