Most of people that have ability to speak English do not confident with themselves in order to speak up their minds. I my self usually feel the same. I know  the meaning of that word in English but I'm afraid of making mistakes and do not quite confident with my own ability or knowlegde.
Having an influent speaking are dreams of everyone but how to make it true because it is not our mother tounge.?
Build our confidence is the best way in this case. Never worry about the mistakes that may happen, because we learn from mistakes. Here is a web that may help for building our confidence
http://www.talktocanada.com/blog/tips-on-how-to-build-up-your-confidence-when-speaking-in-english/

There are some tips that really good for buliding the confidence :)
This web provides a clear information to be confident in speaking English. According to this web, by chatting with a friend, speak as much as possible,  talk to everyone as well as keep practicing are the best way to build our confidence.
:)
posted by Desi Fatima Prilini