I haven't heard any news from you about the certification
or
I haven't heard any news from you concerning the certification
or
I haven't heard any news from you in regards to the certification
29 mei 2015
2
0
0
Simply start with the subject pronoun. Leaving out the subject pronoun can be acceptable in informal emails, for example.
29 mei 2015
0
0
Heb je je antwoorden nog steeds niet gevonden?
Schrijf je vragen op en laat de moedertaalsprekers je helpen!