lengthen
part of speech
verb (lengthen, lengthens, lengthened, lengthening)
meaning for a pupil
1) To lengthen something means to make it longer: «lengthen a skirt», «lengthen a sentence». tree →
2) To lengthen means to become longer: «The days lengthen in spring». tree →
sense in the lessons
In science and geography lessons about seasons (days lengthen in spring, shorten in autumn); in writing lessons pupils lengthen sentences with adjectives and clauses; in maths it means increasing a length. Phrases: «lengthen the days», «lengthen a stride».
examples
- The days lengthen after midwinter. tree →
- Mum lengthened my trousers because I grew. tree →
- Can you lengthen this sentence with an adjective? tree →
- The shadows lengthened as the sun went down. tree →
- Runners lengthen their stride to go faster. tree →
- The teacher lengthened break time because of the sunshine. tree →
- We lengthened the rope by tying two together. tree →
- The queue lengthened as more people came. tree →
note
Regular verb. Made from length + en, like strengthen and widen. In maths, if a 10 cm line is lengthened by 3 cm, it becomes 13 cm long: «lengthen by» means add.
In the corpora
Trees and pragmatics
Every meaning and example of «lengthen» parsed by Mova, each sentence with its dependency tree and frames.