There are various expressions used between Japanese people, but if the opponent of OP is a Japanese and he/she knows that OP is a non-native speaker of Japanese, he/she will take everything into consideration including what you think to "be presumptuous", so it is better that you wouldn't care about extra things and write/say what you like without using difficult expressions like .
By the way, I'll show you what kind of expressions are used among Japanese people.
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Last but not least, even Japanese people rarely use them because they are very difficult expressions to be used properly.