They ___________ at the airport just now.

Complete Sentence: They have arrived at the airport just now.

• Already, just, yet, recently, lately, ever, just now, still, etc. ইত্যাদি হচ্ছে present perfect tense indicator বা নির্দেশক।
অর্থাৎ, বাক্যে already, just, yet, recently, lately, ever, just now, still নির্দেশক শব্দগুলো থাকলে বাক্যটি সাধারণত present perfect tense এ হয়।

Present perfect tense এর structure:
- Subject+ has/have +Verb এর past participle + object.