As you studied, the prepositions For and Since, when used with Present Perfect Simple, express time. Read the sentences and complete them correctly...

Claro! Vou ajudar você a completar as frases corretamente usando as preposições "For" e "Since" com o Present Perfect Simple. Vamos lá: 1. I have been studying English __________ five years. Resposta: I have been studying English for five years. 2. She has been living in New York __________ 2010. Resposta: She has been living in New York since 2010. 3. They have been friends __________ a long time. Resposta: They have been friends for a long time. 4. He has been working at that company __________ two months. Resposta: He has been working at that company for two months. 5. We have been waiting for the bus __________ half an hour. Resposta: We have been waiting for the bus for half an hour. Espero que isso ajude! Se tiver mais alguma dúvida, é só perguntar.