I recognized him as soon as i saw him.
Since it has cleared up,we can set off now.
He worked day and night in order that he could finish the work ahead of time.
He delivered such a brilliant speech that everyone admired him.
An idea will come up if you use your head./You will come up with an idea if you think it over.
Although/Though he was very clever,he couldn't work out the difficult problem.
Clever as he was,he couldn't work out the difficult problem.
Whatever will happen,I will go.
No matter what will happen,I will go.
I am not clever,but I am luckier than you.