How to say "I love you", "Hello" and "Goodbye" in Russian?

I love you in Russian:

ялюблютебя, I love you.

Я? тебялюблю, I love you.

Several expressions of hello in Russian;

① здравствуй Hello.

When an elder or a person with high status says hello to a junior or a subordinate, it means "hello". So can more formal greetings between peers.

② здравствукте Hello.

Used to say hello to elders and people higher than themselves, meaning "hello". For a group of people, that is, when expressing the plural, it means "hello".

③Привет? hello

The question mark between well-connected colleagues means "hello".

Several expressions of goodbye in Russian;

①До свидания! ? See you again.

②До завтра (до вечера, до субботы, до следующей недели).? See you tomorrow (see you tonight! See you on Saturday! See you next week! )

③До скорой встречи.? See you again.

④ довстречи. Goodbye.

Goodbye! See you later!

I hope my answer can help you ~ I hope it will be adopted!