At-In-On in time phrases

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UNIT 3

Prepositions

AT

IN

ON

In time phrases

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Prepositions of time

"at," "in," and "on" are all prepositions of time, which are used to specify when something happens.

We use at, in and on to...

• express a relationship with time.

• indicate when an event occurs.

• introduce a time phrase in a sentence.

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We use the preposition At with:

- Specific hours of the day: At four o´clock - Periods of the year with proper names: At Christmas / At Easter - Weekends (UK english*): At the weekend - Mealtimes At lunchtime - Parts of the night (In with parts of the day*): At midnight

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We use the preposition In with:

- Long time periods like months or years: In January / In 1927 / In this century - Periods of time before something happens: It will happen in two months - How long something takes: He did it in four hours - Parts of the day (At with parts of the night*): In the morning / In the evening

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We use the preposition On with:

- Weekdays On Monday / On Friday - Weekends (USA english*) On Sundays / On the weekends - Days with proper names On Easter Sunday / On Christmas day - Particular dates On the 10th of April / On my birthday

Hierarchy of Use

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Some examples

Centuries: The 1900´s Decades: The 90´s Years: 2019 Months: March

IN

• General

• More Specific

• Very Specific

ON

Days: Monday Specific Days: My birthday Dates: April 3rd

AT

Hours: 8 a.m. / p.m. Parts of the night: Midnight Mealtimes: Dinner

Thank you!

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Feel free to ask questions

Group members: - Xavi Navarro Montañana - Baltasar Castelló Ferre - Santiago Chiriboga - Vivien Steinberg

INDEX

- Title page - Prepositions of time - "At" & examples - "In" & examples

- "On" & examples - Hierarchy of Use - Closing slide