It is not right to make a promise unless one is sure he can fulfill the promise.
This sentence contains one main and two subordinate clauses.
The main clause is <em>It is not right to make a promise, </em>and the two subordinate clauses are <em>unless one is sure </em>and <em>he can fulfill the promise.</em>
Answer:
the book is being stolen by me
looks good to me:-) :-) :-) :-)
