Question

has the school announced the date of the annual function.
change to passive.
no spams

Answer 1

Answer:

Has the date of the annual function been announced by the school?

Explanation:

When we change voice of a sentence, we have to change the active voice verb into passive voice verb or vice versa.  

The active and passive voice tense forms in this tense are as follows:

Present perfect active = S+has/have + V3 +O

Present perfect passive = O+has/have + been + V3 +by+S

Answer 2

Answer:

Is the date of annual function has been announced by the school