How to ... - very useful English

From the BBC, this site looks very useful.

It has exercises for beginners and other levels which all show you how to do something useful in English.

For example:
# Expressing likes (Elementary level)
# Expressing dislikes (Elementary level)
# Expressing no strong emotions (Elementary level)
# Responding to compliments
# Telling someone about a funny incident
# Gossiping
# Getting back on topic
# Talking about serious incidents
# Chatting someone up

That will keep you busy for a while. Learn it. And then go out and practice, practice, practice - that means find some international people and try out what you learnt! Have fun!