If it is possible, please give me a chance to be your boyfriend. 或者说
If you will, please give me a chance to be your boyfriend.
意思是如果你愿意的话,请给我一个机会做你的男朋友。
If i can be, please give me a chance to be your boy friend.
impossible,give me an opprotunity to be you boy friend,please.
If possible,give me a chance to become your boy friend,please.
please give me a chance to be your boyfriend ,if you can
If possible ,please give me a chance to let me be your boyfriend .有很多种说法的。其实,英语也不用说的非常标准。