Past perfect VS present perfect

We ________________ studied English for 1 year

• Have studied

• Had studied

I _______________ to the coast before the pandemic hit

• have gone

• had gone

She ______________ arrived in the airport when the airplane took off

• has not

• had not

We _______________ to USA 3 times now

• have traveled

• had traveled

She ______________ packed her bags yet

• has not

• had not

I _______________ my tickets to DUBAI before Covid came in our lives

• have bought

• had bought

I _____________ my English course before I moved to Australia

• have started

• had started

she ___________ octopus before her trip to the coast

• has never eaten

• had never eaten

We ___________ during this week

• haven't spoke

• haven't spoken

I _____________ the videos of the topic before class

• had seen

• have seen