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Conjunctions of Time Part I

A conjunction is a part of speech that connects words, phrases, or sentences. The easiest conjunctions to remember are "and" and "or." But there are conjunctions that do more than just connect—they give meaning to a sentence by expressing the time that something is happening: conjunctions of time.

 

You can easily tell if a conjunction of time is being used in a sentence because the sentence will tell you when something happens or for how long something is occurring. If you can make a "when" or "for how long" question from the sentence, and that question can be answered by the other half of the sentence, then you know that the sentence is using a conjunction of time.

BANNER PLACEHOLDER

When

 

When I flew in on the float plane, they were all there on the boat.

Caption 4, Alaska Revealed - Endless Wave

 Play Caption

 

Q: When were they all there on the boat? A: When I flew in on the float plane.

 

Before

 

Be sure to put your mask on before helping them.

Caption 18, Air New Zealand - An Unexpected Briefing

 Play Caption

 

Q: When should I be sure to put my mask on? A: Before I help them.

 

After

 

They have to defend their breed from predators

for up to four weeks after they're born.

Captions 49-50, Evolution - Deep Ocean

 Play Caption

 

Q: When do they have to defend their breed? A: After they are born.

 

While

 

We have to tread lightly while filming.

Caption 40, Nature & Wildlife - Search for the Ghost Bear

 Play Caption

 

Q: When do we have to tread lightly? A: While filming.

 

As

 

We paddle along and we pick up trash as we go

Caption 23, Alison's Adventures - Your Passport To the World (LONDON)

 Play Caption

 

Q: When do we pick up trash? A: As we go.

 

By the time

 

By the time I got to New York,

I was living like a king

Captions 10-11, David Bowie - Lazarus

 Play Caption

 

Q: When were you living like a king? A: By the time I got to New York.

 

Note that some conjunctions of time are also phrases, not just a single word.

 

Until, till

 

The conjunctions of time "until" and "till" are interchangeable and you may use either word. Many people wrongly think that "till" is just shortened version of "until," but in fact "till" is the older word, in use since the 9th century. The variant "until" has been in use since the 12th century. These two words are unusual in that they express a length of time rather than a point in time, so we should ask the question using "for how long" instead of "when."

 

She sat until she broke the chair.

Caption 28, Story Hour - Goldilocks and the 3 Bears

 Play Caption

 

Q: For how long was she sitting? A: Until she broke the chair.

 

So he sat on a chair,

till he died of despair,

Captions 20-21, Sigrid explains - The Limerick

 Play Caption

 

Q: For how long was he sitting? A: Till he died of despair.

 

Further Learning
Don't despair, and by all means stay healthy! Go to Yabla English and find other sentences (not questions) that contain the conjunctions of time "when," "before," "after," "while," "as," "by the time," "until" and "till." Write these sentences down and practice making questions and answers from the sentences like we did above. You can also read more about "until" and "till" on the Merriam-Webster website
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