Patina · Grammar

At, In, On — When?

at 8:00  ·  in the morning  ·  on Monday

Three small words say when. At goes with a clock time, in with a part of the day or a month, and on with a day or a date. One word breaks the pattern: at night. Pick your language at the top for a note in your own words.

★ the three boxes  ·  ★★ open and close, start and end  ·  ★★★ choose the word, then fix the sentence

Download the PDF PDF · 3 pages

For the teacher · In class

put the three boxes on the shared screen, say a time word, and let everyone type at, in or on in the chat. Then read the clinic sentences out loud.

Unit 14 teacher's key (PDF)

★ at · in · on

Class 4 taught in the drawer. Now it is in the morning.

Look at the three boxes. Say every sentence out loud.

at

at + a clock time

at 8:00at noonat night

in

in + a part of the day or a month

in the morningin June

on

on + a day or a date

on Mondayon June 12

in the morningin the afternoonin the eveningat night

Night is the exception. Say at night.

Watch out in your language

★★ Open and close · Start and end

Class 13 taught the s. Here it is again: the pharmacy opens.

Read the two boxes. Tap each line and listen.

open · close

Places (a store, a clinic) → opens and closes.

start · end

Events (a class, a movie) → starts and ends.

Use from and to for two times.

★★★ Choose the word

Look at the time word. Then choose at, in or on.

  1. 1The lab opens 7:00.
  2. 2I take the bus the morning.
  3. 3I see the doctor Friday.
  4. 4The pharmacy is closed night.
  5. 5My class starts September.
  6. 6The dentist is here April 3.

★★★ Fix the sentence

Find the mistake. Then write the whole sentence correctly.

  1. 1The clinic opens in 8:00.The time word is 8:00.
  2. 2I have class at Tuesday.The time word is Tuesday.
  3. 3The lab is closed in night.The time word is night.
  4. 4My birthday is on June.The time word is June.