Just now he ____ his dinner but he says he will see you when he's finished.

• 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.
- Meera has met her mother just now.

Complete sentence: Just now he has had his dinner but he says he will see you when he's finished.