That company has been making surfboards since the 1960s.

present perfect progressive
present progressive
past perfect progressive
past progressive

hunter had been playing a video game when his computer crashed.
past progressive
present progressive
past perfect progressive
present perfect progressive

as of next month, my best friend and i will have known each other for 12 years.
past progressive
future perfect progressive
present perfect progressive
present progressive

Healthcare costs are becoming an issue for many americans. in just two years, the average family has seen an increase of 3 percent in insurance costs. the increase rises to 25 percent when you include families who buy insurance on an exchange. at this rate, health care will soon be completely unaffordable for most americans. therefore, lowering the cost of health insurance must be a priority for lawmakers. which statement best explains why the argument is logical? a.)the argument incorporates empirical and anecdotal evidence. b.)the argument includes a strong counterclaim and a fair rebuttal. c.)the argument contains relevant reasons supported with facts and data. d.)the argument includes a personal experience as an emotional appeal.