I know have to expresses 'obligations to do something' and i know how to use it in the sentences.
People have to leave their rural areas.
But i have seen 'having to' being used as
You don't use the word have as a main verb in the progressive to talk about things you own or possess.
So the correct sentence is:
He has a cell phone.
However, you can use it in the progressive if you.
How to use having in english.
I have come across below statement.
The customer having left, the criminal takes out a pin from his purse and scrapes off hardened glue from the edges of the keys.
Having completed the task, i was free to go.
Having completed the task, he was free to go.
Having completed the task, they were free to go.
Colonel mustard, having completed.