Shall I correct the topic title? It could say: "I need to practice my english. We can help each other."
Do you know Vaughan Radio? http://www.vaughanradio.com/
The verb is "to practise".
http://www.grammar-monster.com/easil...e_practise.htm
I think both are correct: http://www.wordreference.com/es/tran...nword=practice (at least in British english).