1. That company has been making surfboards since the 1960s. - present perfect progressive (present perfect of the verb to be = have/has been + verb + ing)
2. Hunter had been playing a video game when his computer crashed. - past perfect progressive (past perfect of the verb to be = had been + verb + ing)
3. As of next month, my best friend and I will have known each other for 12 years. - there is a mistake in options here, the correct answer is future perfect, not future perfect progressive (that would be will have knowing).
