Bonsoir!!
1- C'est exactement ce que je voulais dire .
usually "ce que" is followed by a subject & a verb and is a direct object
c'est exactement quoi ?................. ce que je voulais dire (it's exactly what ? what I wanted to say )
"ce qui" is usually the subect of the following verb
c'est exacrement ce qui se passe = it's exactly what is happening
2- Arriver imparfait
J'arrivais
tu arrivais
il/elle/on arrrivait
nous arrivions
vous arriviez
ils/elles arrivaient
