Surah Taha 20:32
وَأَشْرِكْهُ فِىٓ أَمْرِى
And let him share my task
Translation: Saheeh International
Tafsir
and let him share in my affair namely in the delivery of the Message both verbs ushdud ‘confirm’ and ashrikhu ‘let him share’ are in the imperative and in the apocopated imperfect tense constituting the response to the request of Moses.
Excerpt from Tafsir al-Jalalayn, commentary on 20:32, via Quran.com. The reader has the full commentary and 9 more tafsirs.