Can I talk to you via text, but if you speak to you by telephone, I fear you will hear me say do not understand because I don't speak good English. If I say the wrong words you wouldn't say I!
I can talk to you via text message, but if I talk to you by phone, I'm afraid you will not hear me say that because I'm not good at speaking English. If I say the wrong words, you do not mind me.
Can I talk to you in a message but if speak with you by phone, I'm afraid you will hear me say don't understand because I'm not good at speaking English. If I say wrong I hope you don't mind me.