half
part of speech
noun (half, halves); adjective; adverb
meaning for a pupil
1) A half is one of two equal parts of something. tree →
2) Half as an adjective means one of two equal parts: «half an hour». tree →
3) Half can mean partly: «half asleep». tree →
4) Half past means 30 minutes after the hour. tree →
sense in the lessons
one of two equal parts of a count; half an hour is 30 minutes; «half past 3» is 3:30; phrases: «half of», «half as many as», «in half», «half past», «half an hour», «half-time»
examples
- Max gives Sam half of his stickers. tree →
- Ben has half as many cookies as Lily. tree →
- Mia ate half of the 8 grapes. tree →
- Cut the apple in half. tree →
- Half an hour is 30 minutes. tree →
- School ends at half past three. tree →
- The score was 2–1 at half-time. tree →
- The glass is half full. tree →
- There was only half of him! tree →
note
Plural: halves. «half of N» and «half as many as N» are N ÷ 2. Trap: «gives half» leaves the other half, also N ÷ 2, with the giver. Two halves make a whole. Halves must be equal, so a big piece and a small piece are not halves.
In the corpora
- A baby who shares only one parent with you is your half-brother or half-sister.
- Listening at the door usually gives you only scary half-pieces; asking «Is everything OK?» later works much better.
- Even grown-ups often can't spot a fake picture by looking; in Maddie's class half got it wrong.
- Dolphins sleep with half of their brain at a time, switching sides, so they can keep coming up to breathe.
- Octopuses can solve puzzles, open jars, learn by watching and remember people; wild ones carry coconut shell halves to hide in.
Trees and pragmatics
Every meaning and example of «half» parsed by Mova, each sentence with its dependency tree and frames.