IDE PENTING

Berpikir dari kecil ke besar: at untuk jam tepat, on untuk hari dan tanggal, in untuk periode panjang seperti bulan dan tahun.

Ilustrasi cat air buku catatan terbuka, buku, dan teh di samping jendela cerah
Sedikit konteks memperjelas makna.

01at: points on the clock

Use at for precise points: clock times, mealtimes treated as points, and festival moments. At 7 o'clock, at noon, at midnight, at night, at Christmas — each one answers the question exactly when. Think of at as a pin dropped on the timeline.

The meeting starts at 10 a.m.

at + clock time

The meeting starts at 10 a.m.

Clock times always take at: at 9:30, at noon, at midnight.

02on: days and dates

Use on for days of the week and calendar dates: on Monday, on May 1st, on Christmas Day. When a date includes the day, on wins — on Monday morning, on the weekend (American) — because the day is the anchor. If you can circle it on a calendar page, reach for on.

Her birthday is on May 1st.

on + date

Her birthday is on May 1st.

Dates with month + day take on.

03in: longer stretches

Use in for months, seasons, years, and parts of the day: in July, in summer, in 2026, in the morning. These are containers of time rather than points — you are somewhere inside the period. Centuries and decades follow the same logic: in the 1990s.

Watch the famous pair: arrive on time means punctual, while arrive in time means early enough to do something — in time for dinner, in time to help. And drop the preposition entirely before this, last, next, every, yesterday, and tomorrow: see you next Monday, not on next Monday.

She was born in 2019.

in + year

She was born in 2019.

Years, months, and seasons take in.

04Try a week of your life

Write seven lines about your week using all three: at 7:30, on Tuesday, in the evening. Then add one deadline with by — finish this by Friday — and notice how by means no later than, not at that moment. Keeping your own examples next to each other makes the small-to-big picture stick.

GILIRANMU

Buat koneksinya.

Baca situasinya sebelum memilih. Alasannya sama pentingnya dengan jawaban.

Give the exact departure time.
CEK CEPAT 1

The train leaves ? 6:45.

Give the exact departure time.

Pilih preposisi. Temukan alasannya.

Lihat jawaban & penjelasan

at · Clock times take at.

The meeting happened inside that morning.
CEK CEPAT 2

We met ? a cold morning in December.

The meeting happened inside that morning.

Pilih preposisi. Temukan alasannya.

Lihat jawaban & penjelasan

on · A morning with a modifier (a cold morning) takes on; plain in the morning takes in.

Bacaan lanjut & catatan

Kami membuat contoh ini dengan bantuan AI. Penggunaan tergantung konteks; pola awal ini tidak mencakup semuanya. Lanjut ke referensi di bawah.

Baca pedoman konten · Usulkan koreksi

Sedikit pengulangan. Koneksi lebih kuat.

Lanjutkan latihan pasangan dan ulasan salah di aplikasi.

Jelajahi PrepoQuest