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Beginner 📐 Grammar · #26 of 305

Prepositions of Time

at (clock), on (days), in (months/years).

Examples

at 5 pm
on Monday
in July

Key rules

at with clock times and fixed points: at 5 pm, at night
on with days and dates: on Monday, on 5 May
in with months, years, seasons and parts of day: in July, in 2020, in the morning
Do not use a preposition with next, last, this, every

Common mistakes

I see you in Monday → I see you on Monday
She was born on 1999 → She was born in 1999

💡 Tip: Use at for small points, on for days, in for long periods.

Practise this topic in the app Practise Beginner quiz

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Related Beginner topics

See all Beginner grammar lessons →

Nouns: Naming Words

A noun names a person, place, thing or idea.

Singular and Plural Nouns

Add -s to most nouns; add -es after s, x, ch, sh.

Irregular Plurals

Some nouns change form instead of adding -s.

Countable and Uncountable Nouns

Countable nouns can be counted; uncountable ones cannot take a/an or plural.

Proper and Common Nouns

Proper nouns name specific things and start with a capital letter.

Subject Pronouns

I, you, he, she, it, we, they replace the subject.