Final answer:
The sentence 'Tengo ganas de ir afuera' is grammatically correct in Spanish and means 'I feel like going outside.' The subject of the sentence is 'tengo ganas,' expressing the speaker's desire or craving.
Step-by-step explanation:
The sentence 'Tengo ganas de ir afuera' is grammatically correct in Spanish. It translates to 'I feel like going outside.' The subject of the sentence is 'tengo ganas,' which means 'I feel like.' 'De ir afuera' means 'to go outside.' In Spanish, the verb 'tener' (to have) is used to express feelings or sensations, and 'ganas' means 'desire' or 'a craving.' So, the sentence conveys the speaker's desire to go outside.
Learn more about Spanish verb 'tener' used to express feelings and desires