Although it was raining, we went for a walk.
- Conjunction: Although – connects ideas and shows contrast
- Pronoun: it – stands in for the weather
- Verb (linking): was – links it to raining
- Verb (present participle): raining – describes the weather
- Pronoun: we – stands in for the people
- Verb: went – action
- Preposition: for – shows purpose
- Article: a – before walk
- Noun: walk – an event/action