Do as directed:-
As soon as he saw the lion, he climbed up a tree.
Begin:- "No sooner... " but don't change the meaning of the sentence.
Q. As soon as he saw the lion, he climbed up a tree.
A. No sooner than he saw a lion, he climbed up the tree.
Do as directed:-
As soon as he saw the lion, he climbed up a tree.
Begin:- "No sooner... " but don't change the meaning of the sentence.
Q. As soon as he saw the lion, he climbed up a tree.
A. No sooner than he saw a lion, he climbed up the tree.