Clauses of ( Reason , Concession , Purpose ) 2a Grammar .. Second Year .. Second Term

Clauses of ( Reason , Concession , Purpose ) 2a Grammar 

https://www.youtube.com/watch?v=3X93F6lPCLM&t=385s

and 

https://www.youtube.com/watch?v=DPmjYD6Qi5I