I think it’s Tu vas à Paris if you mean you’re going to Paris. Tu vas en Paris will not make sense because it means you go to Paris. And va does not go with Tu
Bonjour
1- Je déteste me raser.
<em>(when a verb follows another one, it is infinitive tense; to make sure change for a verb ending in -IR, for example)</em>
<em>-</em>
2- <u>S'amuser</u> <em>present</em> <em>imperative 2nd person plural</em>
<em> </em>Amusez-vous !
<u>S'amuser . </u><u><em>imperative</em></u>
<em> Amuse-toi ! (tu = 2nd person singular)</em>
<em> Amusons-nous! (1st p. plural)</em>
<em> Amusez-vous ! (2nd person plural)</em>
<em>-</em>
3- <u>Ne pas se préparer</u> <em>present imperative (1st person plural)</em>
Ne nous préparons pas !
<u><em>ne pas se préparer imperative</em></u>
<em> </em><em>ne te prépare pas !</em>
<em> ne nous préparons pas !</em>
<em> ne vous préparez pas !</em>
<em>-</em>
<em>☺☺☺</em>
