Learn Swedish: Är familjen också glad idag? - Is the family also happy today?

To ask a yes/no question in Swedish, you move the verb to the very beginning of the sentence. By swapping the subject (familjen) and the verb (är), the statement 'The family is...' becomes the question 'Is the family...'.

How do we know "familjen" means "the family" and not just "a family"?

In Swedish, the word "the" is usually attached to the end of the noun. The base word is en familj (a family). To say "the family", you add -en to the end, making it familjen.

A family is a group of people, so why is "glad" in the singular form instead of the plural "glada"?

Even though a family has many members, the noun familjen refers to one single unit. Because the noun itself is grammatically singular, the adjective describing it must also use the singular form, which is glad.

Where does the word "också" (also) belong in a question like this?

In Swedish questions, short adverbs like också usually go right after the subject. That is why it comes directly after familjen here.