Practice and review
Extra practice and personal reviews. Review and mistake data stays on this device; practice here does not award XP.
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The latest wrong attempt per exercise is saved. A correct lesson answer removes it.
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Custom practice
Timed practice quiz
Five questions from the selected level; practice only.
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Activity calendar
Last 30 days in Oslo time; active days contain a saved learning result.
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Focus session
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Suggested unfinished lessons; the list updates as you progress.
Where should I start?
Five orientation questions, not a certified CEFR assessment.
1/5 · A1
Jeg ___ i Oslo.
A notebook for every lesson
Open any lesson to write down words and ideas you want to revisit.
Time: i, om and for … siden
Distinguish duration, in and ago in time expressions.
Time: i, om and for … siden
Distinguish duration from a future or past point: i to timer for two hours, om to timer in two hours, for to timer siden two hours ago. Day and season expressions vary with context.
The rule, step by step
- Use i for a duration: Vi ventet i en time. It answers how long the wait lasted.
- Om with an interval marks a future event: om en time. For … siden marks a past point.
- Also learn på mandag for Monday, om sommeren for a recurring seasonal habit, and i sommer for a specific summer determined by context.
Sentence pattern
i + duration · om + future interval · for + past interval + siden
| Bokmål | Meaning or use |
|---|---|
| i to timer | for two hours |
| om to timer | in two hours |
| for to timer siden | two hours ago |
| om sommeren | in summer habitually |
Everyday examples
Vi har ventet i en time.
We have waited for an hour.
Bussen kommer om ti minutter.
The bus comes in ten minutes.
Hun kom for to dager siden.
She came two days ago.
Kurset begynner om en uke.
The course begins in a week.
A common error or a difference in meaning
Han kom om to dager siden.
Han kom for to dager siden.
Kom is past. Two days ago requires for … siden, not om.
Put the rule into practice
0/3Personal review progress on this device. It does not complete a reading lesson or award XP.
Choose the form that fits the rule and meaning explained in this lesson.
Complete the gap using the appropriate form of the given word.
Given word: omBussen kommer _____ ti minutter.
Rebuild the example, starting with “Vi”: We have waited for an hour.
…