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Questions & Answers about Jag har en grå tröja.
Since we are learning about words for 'which', how would I ask 'Which sweater?' based on this sentence?
You would say Vilken tröja? Because tröja is an en-word (which you can tell from the article en right before it), you must use the en-form of the question word, which is vilken. If it were an ett-word, you would use vilket.
Why is the word for 'grey' written as grå here instead of grått?
Adjectives in Swedish change to match the gender of the noun they describe. Because tröja is an en-word, the adjective takes its basic form, grå. If you were describing an ett-word, like a train (ett tåg), it would change to grått.
Is there a rule for why tröja is an en-word instead of an ett-word?
Noun gender in Swedish is mostly unpredictable, so you just have to memorize if a word takes en or ett when you learn it. However, it helps to know that the vast majority of nouns (about 80%), including most items of clothing like en tröja, are en-words.
If I had multiple grey sweaters, how would I say that, and how would I ask 'Which sweaters?'
To say 'I have grey sweaters', you would say Jag har gråa tröjor. The adjective gets an 'a' added to it for the plural. To ask 'Which sweaters?', you would use the plural form for 'which', making it Vilka tröjor?