history: My parents surprised me with a trip up to see me for 4 days.  I was so shocked and am so happy they are here!
current: My parents surprised me with a trip up to see me for 4 days. I was so shocked and am so happy they are here!
next: That's wonderful! I love those 'surprise visit' occassions. Sadly my parents would need to fly across the country to do that and it's just not feasible given my work schedule