During vs. While – English Grammar Exercises for B1
Choose the best option (A, B, C, or D) to complete each sentence. Read the text carefully, as all questions are part of a continuous social media status update from someone experiencing a major neighborhood blackout.
Status Update: Surviving the Great Blackout of 2026!
1 The lights suddenly went out ______ the heavy rainstorm last night.
(a) for
(b) while
(c) during
(d) during of
2 My phone battery died ______ I was trying to call the electricity company.
(a) during
(b) while
(c) when was
(d) since
3 Nobody in the neighborhood could see anything ______ the power outage.
(a) while
(b) as
(c) during
(d) while the
4 ______ we were waiting for the lights to return, we lit some candles in the living room.
(a) During
(b) For
(c) While
(d) While are
5 I heard a loud, terrifying crash outside ______ the terrible hurricane.
(a) during
(b) while
(c) throughout to
(d) because
6 ______ sitting in the dark, I started telling scary ghost stories to my little brother.
(a) During
(b) While
(c) For
(d) While to sit
7 We completely lost our internet connection ______ the worst part of the thunderstorm.
(a) while
(b) when
(c) during
(d) during was
8 The refrigerator stopped working ______ the electricity was completely cut off.
(a) during
(b) while
(c) by
(d) while is
9 ______ the night, the wind kept howling loudly against the bedroom windows.
(a) For
(b) During
(c) While
(d) In during
10 Please don’t open the refrigerator door ______ the power is out, or the food will spoil.
(a) while
(b) during
(c) until
(d) while it
11 I managed to find the emergency flashlight ______ the brief moment of moonlight.
(a) while
(b) during
(c) for
(d) during the
12 ______ searching for the matchbox in the kitchen drawer, I accidentally knocked over a glass.
(a) During
(b) Since
(c) While
(d) While searched
13 Our entire street was completely flooded ______ the chaotic blackout.
(a) for
(b) while
(c) during
(d) while was
14 I eventually fell asleep on the sofa ______ the city technicians were trying to fix the broken cables.
(a) during
(b) while
(c) so
(d) while were
15 The kind neighbors checked on the elderly residents ______ the extreme weather emergency.
(a) while
(b) during
(c) as
(d) during are
16 ______ walking down the stairs to check the basement for leaks, my dad slipped.
(a) During
(b) While
(c) While walked
(d) Because
17 Did anyone else hear those loud emergency sirens ______ the peak of the storm?
(a) during
(b) while
(c) when
(d) during of
18 I strongly advise everyone to stay indoors ______ the dangerous weather conditions continue.
(a) during
(b) for
(c) while
(d) while do
19 ______ this unexpected disruption, we truly realized how much we rely on modern technology.
(a) While
(b) For
(c) During
(d) While the
20 ______ reading a book by candlelight, I finally felt a sense of peace despite the crazy storm outside.
(a) During
(b) While
(c) After to
(d) While read
ANSWER KEY & EXPLANATIONS
1 (c) during
- Why it is correct: “The heavy rainstorm” is a noun phrase. We use during before a noun to say when something happens.
- Distractor Analysis: (b) “while” is a Common Mistake (students often mix them up, but while needs a subject + verb). (d) “during of” is a Structural Error. (a) “for” is a Meaning Trap (for is used to indicate how long something lasts, e.g., “for three hours,” not the event itself).
2 (b) while
- Why it is correct: “I was trying” is a clause (Subject + Verb). We use while before a clause.
- Distractor Analysis: (a) “during” is a Common Mistake. (c) “when was” is a Structural Error (missing the subject “I”). (d) “since” is a Meaning Trap (means “from that point in time,” which doesn’t fit the continuous past action).
3 (c) during
- Why it is correct: “The power outage” is a noun phrase representing an event.
- Distractor Analysis: (a) “while” is a Common Mistake. (d) “while the” is a Structural Error. (b) “as” is a Meaning Trap (can mean “while,” but it requires a clause, e.g., “as the power was out”).
4 (c) While
- Why it is correct: “We were waiting” is a full clause (Subject + Past Continuous Verb).
- Distractor Analysis: (a) “During” is a Common Mistake. (d) “While are” is a Structural Error. (b) “For” is a Meaning Trap.
5 (a) during
- Why it is correct: “The terrible hurricane” is a noun phrase.
- Distractor Analysis: (b) “while” is a Common Mistake. (c) “throughout to” is a Structural Error. (d) “because” is a Meaning Trap (it means the crash was caused by the hurricane, but grammatically it needs “because of” before a noun).
6 (b) While
- Why it is correct: When the subject of the main clause and the while clause are the same, we can use While + V-ing (While sitting = While I was sitting).
- Distractor Analysis: (a) “During” is a Common Mistake (during is never followed by a V-ing form acting as a continuous action). (d) “While to sit” is a Structural Error. (c) “For” is a Meaning Trap.
7 (c) during
- Why it is correct: “The worst part of the thunderstorm” is a noun phrase.
- Distractor Analysis: (a) “while” is a Common Mistake. (d) “during was” is a Structural Error. (b) “when” is a Meaning Trap (requires a clause).
8 (b) while
- Why it is correct: “The electricity was completely cut off” is a clause (Subject + Verb).
- Distractor Analysis: (a) “during” is a Common Mistake. (d) “while is” is a Structural Error. (c) “by” is a Meaning Trap.
9 (b) During
- Why it is correct: “The night” is a noun. We use during to say that an event happened inside that period of time.
- Distractor Analysis: (c) “While” is a Common Mistake. (d) “In during” is a Structural Error. (a) “For” is a Meaning Trap (“for the night” means the intended duration of a stay, not when an event occurred).
10 (a) while
- Why it is correct: “The power is out” is a clause (Subject + Verb).
- Distractor Analysis: (b) “during” is a Common Mistake. (d) “while it” is a Structural Error (the subject “the power” is already there, so “it” is redundant). (c) “until” is a Meaning Trap (changes the meaning to “don’t open it until the power comes back,” but grammatically the sentence says “is out”).
11 (b) during
- Why it is correct: “The brief moment of moonlight” is a noun phrase.
- Distractor Analysis: (a) “while” is a Common Mistake. (d) “during the” is a Structural Error (the word “the” is already in the sentence). (c) “for” is a Meaning Trap.
12 (c) While
- Why it is correct: While + V-ing (searching). It means “While I was searching”.
- Distractor Analysis: (a) “During” is a Common Mistake. (d) “While searched” is a Structural Error (requires Present Participle -ing). (b) “Since” is a Meaning Trap.
13 (c) during
- Why it is correct: “The chaotic blackout” is a noun phrase.
- Distractor Analysis: (b) “while” is a Common Mistake. (d) “while was” is a Structural Error. (a) “for” is a Meaning Trap.
14 (b) while
- Why it is correct: “The technicians were trying” is a past continuous clause.
- Distractor Analysis: (a) “during” is a Common Mistake. (d) “while were” is a Structural Error. (c) “so” is a Meaning Trap.
15 (b) during
- Why it is correct: “The extreme weather emergency” is a noun phrase.
- Distractor Analysis: (a) “while” is a Common Mistake. (d) “during are” is a Structural Error. (c) “as” is a Meaning Trap.
16 (b) While
- Why it is correct: While + V-ing (walking) is used when two actions happen at the same time by the same subject.
- Distractor Analysis: (a) “During” is a Common Mistake. (c) “While walked” is a Structural Error. (d) “Because” is a Meaning Trap.
17 (a) during
- Why it is correct: “The peak of the storm” is a noun phrase indicating a period/event.
- Distractor Analysis: (b) “while” is a Common Mistake. (d) “during of” is a Structural Error. (c) “when” is a Meaning Trap.
18 (c) while
- Why it is correct: “The dangerous weather conditions continue” is a full clause. “Conditions” is the subject, “continue” is the verb.
- Distractor Analysis: (a) “during” is a Common Mistake (many students see “conditions” and assume it’s just a noun phrase, missing the verb “continue”). (d) “while do” is a Structural Error. (b) “for” is a Meaning Trap.
19 (c) During
- Why it is correct: “This unexpected disruption” is a noun phrase.
- Distractor Analysis: (a) “While” is a Common Mistake. (d) “While the” is a Structural Error. (b) “For” is a Meaning Trap.
20 (b) While
- Why it is correct: While + V-ing (reading).
- Distractor Analysis: (a) “During” is a Common Mistake (you cannot say “during reading”). (d) “While read” is a Structural Error. (c) “After to” is a Structural Error/Meaning Trap.
GRAMMAR POINTS TO REMEMBER
1 USING “DURING” (Focus on the Noun/Event):
- Rule: Use During + Noun / Noun Phrase. It tells us when something happened. It frames an event as a block of time.
- Context Examples: during the storm, during the night, during the power outage, during the blackout.
- Crucial Note: Never use during with a subject + verb, and never use it with a V-ing verb (e.g., “during eating” is WRONG).
2 USING “WHILE” (Focus on the Action/Clause):
- Rule: Use While + Subject + Verb (usually a continuous tense) to describe an ongoing action.
- Context Examples: while the rain was falling, while I was searching for candles, while the power is out.
- Advanced Tip (V-ing): If the subject of the main action and the background action is the same person, you can drop the subject and the “to be” verb. Use While + V-ing.
- Example: While (I was) sitting in the dark, I told a story -> While sitting in the dark, I told a story.