1.I do not want to part with you.
2.But for you, I would have failed
3.I congratulate you on your success.
4.I have no doubt on his ability.
5.Lake froze rapidly.
6.One must boast himself of great qualities.
7.Either of these three umbrella will suit me.
8.Although he is my friend still I don’t trust him.
9.Though old, he is hale and hearty.
10.It is a much repeated story.