I want to talk to many different foreigners in English. 

I started studying English last December but I'm not very good yet. 

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Good job so far!

I am ------> I'm (shorter) 

want to + base verb 

e.g.

I want to fly.

I want to go to London. 

I want to talking to many people in foreigners with English.

I started studying English from last December, but I am not doing well. don't become well.

I want to start talking to many foreigners using English.

I started studing English last December however I am not very good at it.

Keep up the good work! nice job.