質問: what is the difference between they had just moved to dallas. and they have just moved to dallas. ? what is the difference between they had just moved to dallas. and they have just moved to dallas. ?
回答: they had → talking about a time in the past. (引っ越したところ「だった」・ついその前に引っ越して「いた」) they have → talking about now.(引っ越したところ「だ」・ついこの前引っ越して「いる」)