There are many ways and methods to learn a foreign language.
As far as I am concerned I tried to learn Norwegian and encountered many difficulties mainly those related to pronunciation and grammar. So I decided to acquire as much vocabulary as possible and try later on to synchronise that with grammatical rules. For this purpose I opted to use translation of so common, familiar and thematic phrases and sentences, from Norwegian to English and vice versa and I hope this can helps to learn Norwegian language. This could be helpful to many who learn Norwegian because there are some who can master grammar but lacking vocabularies and expressions.
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Difference between Sitter/Setter and Ligger/Legger ...

Example
Explanation
Jeg sitter og  leset .
Action: No.
Since its not a action and we always sit on some furniture and read, we have used SITTER.
Nå sitter vi på torget til Oslo.
Action: No.
There is no action involved or movement of object from one position to other hence we used SITTER.
Spania ligger i Europa.
Since its a land, we use LIGGER.
Banken ligger på torget.
Its a bank and bank is kind of a building hence we used LIGGER.
Skolen ligger i Oslo.
Its a skole and the skole building is in Oslo hence we used LIGGER.
Han legger babyen i sengen.
Action: Yes. Since he moved baby from one position (may be from floor) to another position (to bed)
Position : and baby going in bed is HORIZONTAL
hence we used LEGGER.
Babyen ligger i sengen.
Action : No.
Position : Horizontal.
hence use LIGGER
Amina satte flaska på bordet i går.
Action: Yes.
Position: Vertical
Tense: the statement used work 'i går' hence its a past tense so we use SATTE which is Preteritum of å sette.
Du må sette melken i kjøleskapet.
Action: Yes.
Position: Vertical
Tense: use of hjelpe verb 'må' hence we use infinitive of å sette i.e. SETTE
Jeg la pengene i lomma mi for litt siden, men nå er de borte.
Action: Yes. As the the money is moved from hand to pocket.
Position: money is always kept horizontally.
Tense : It was past tense and action was done on specific time hence we use preteritum of å legge which is LA
Amina  i senga si og sov i hele går. Hun var syk.
Action: No. As Amina was whole time in bed yesterday.
Tense: Its i går hence we use preteritum of å ligge that is LÅ
I går satt vi og diskuterte politikk i mange timer.
Action: No. As we already sat to discuss.
Tense: Since its a specific time of the day we discussed and the action is over (not continued til this moment) hence we used preteritum of å sitte that is SATT
Lise satte bilen i garasjen for to timer siden.
Action: Yes.
Car is moved from one position to another by Lise at that specific time hence we use preteritum of å sette i.e. SATTE

Past Tense in Norwegian

Past Tense in Norwegian

English Norwegian
learn norwegian
I saw you Jeg så deg
I wrote with a pen Jeg skrev med en penn
You loved apples Du elsket epler
You played tennis Du spilte tennis
He read (past tense) a book Han las / leste en bok
He understood me Han forsto / forstod meg
She had a cat Hun hadde en katt
She knew my friend Hun kjente vennen min
We wanted to learn Vi ville lære
We thought Spanish is easy Vi trodde spansk var lett
You (plural) worked here Dere jobbet her
You (plural) spoke French Dere snakket fransk
They drove a car De kjørte en bil
They smiled De smilte