Have you ever ... to the desert?
went
been
Has he ever ... a mountain?
climbed
climb
Has your friend ever ... photos underater?
taken
took
Has he ever ... a hotel by the coast?
stay in
stayed in
Has your mum ever ... a tropical rainforest?
visited
visit
Has she ever ... in the ocean?
swam
swum
Have they ever ... outside?
slept
sleep
Has she ever ... a 4x4?
drove
driven
Have you ever ... a fish?
cought
catched
Have they ever ... a camel in the desert?
ridden
rode
Have you ever ... a mountain range?
flown over
flew over
Have you ever ... to the tundra?
been
go