LoginWhen vs. While
Parts of Speech
When
1. The word "when" introduces a dependent (subordinate) clause that provides additional context to the main clause; therefore acting as a subordinating conjunction. It is used to introduce a time-specific action or a sequence of events. It is s used for single, completed actions.
I helped my mother around the house when I was home.
She was mad at me when I broke her favorite photo frame.
2. "When" can also function as an adverb, referring to a specific time.
I remember Christmases when it used to snow.
I’ll never forget the time when we first met.
While
1. As a subordinating conjunction, "while" introduces a dependent clause that describes an action happening at the same time or contrasts with the main clause.
I was studying for the exam while my friend was taking a nap.
While I was cooking dinner, the kids were playing outside.
2. As an adverb, "while" refers to a period of time or an interval, describing a duration or length, often meaning "for a period of time."
We explored the area during the time while the sun was setting.
The phase while the project was under review lasted two weeks.
3. "While" can also be used as a noun, often accompanied by "in a...," "once in a...," "for a...," and "worth your...." In this usage, "while" is used to indicate a specific period of time, such as "You can wait here for a while."
You can wait here for a while.
I was hoping I could see you again in a while.
Indicating Time
"When" and "while" are both used to show two actions that are happening at the same time. However, there is a small distinction that requires your attention.
"When" is used to express two single actions that happen simultaneously.
"While" is used to express two continuous actions that happen simultaneously.
If you pay close attention, you can see that "when" and "while" both express a condition and its results.
She was mad at me when I broke her favorite photo frame.
I was putting away the dishes while my friend was doing the laundry.
What would happen if we have two actions but one is single action and the other is continuous. In this case, we can use both. Watch:
He knocked on the door when I was sleeping.
He knocked on the door while I was sleeping.
Now if the subordinating conjunction is placed before the single action, we must use "when."
I was sleeping when he knocked on the door.
I was sleeping while he knocked on the door.
Quiz:
What conjunction is used in the following:
"One action takes place while a different action is ongoing."
When
While
Both
In which sentence is "when" used correctly?
I was cooking dinner when the phone rang.
She was drawing when he was lying on the couch.
Both
Which sentence demonstrates the correct use of "while"?
She was studying for the test while I was making dinner.
They came in while I broke the vase.
Both
Which conjunction should be used in the following sentence:
"I was working ___ they knocked."
When
While
Both
What is not the primary difference between "when" and "while"?
"When" is used for actions that occur at a specific moment.
"While" is used for actions that happen continuously over a period of time.
"When" and "while" both connect actions happening at the same time.
"When" is a subordinating conjunction, "while" is a coordinating conjunction.
Which sentences use "when" incorrectly?
He started talking when I was in the middle of dinner.
She was reading a book when he arrived.
I was watching TV when the lights went out.
We were walking when it was raining.
Match the example with the correct description.
Fill in the blank with "when" or "while":
I was studying for my exam
my friend came over to visit.
She was cooking dinner
watching TV.
We were having a meeting
the power outage occurred.
She was reading a book when
the doorbell rang.
He was running a marathon
listening to music.
Below is a list of scenarios with two actions described. Decide whether to use "when" or "while" for each situation.
I was watching a movie. | My phone rang. | |
He was brushing his teeth. | He was thinking about his day. | |
She entered the room. | Everyone stood up. | |
They were cleaning the house. | The children were playing outside. | |
We were walking to the park. | It started raining. |
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