Dear Ifra
Please consider this.
SUBJECT + VERB + WHICH + VERB (THIS IS THE CORRECT FORM IF YOU WANT TO USE 'WHICH', IT HAS TO BE FOLLOWED BY VERB DIRECTLY. YET, IF YOU WANT TO PUT SUBJECT BEFORE THE VERB, SO YOU NEED TO CHANGE THE 'WHICH' TO BE 'IN WHICH)
SUBJECT + VERB + IN WHICH + SUBJECT + VERB.
... have many subjects IN which they have to ...
... will be more focus inON absorbing
In the primary school, teachers have been made the curriculum have been created the curriculum ...
WHAT DO YOU MEAN?