À usually means 'to' or 'at' and can be used to refer to nouns and timings. Au is the masculine form of à and is used in place of à to refer to masculine nouns (but not proper names). En means 'in' and is also used to refer to nouns.
a) Nous n'avons pas de classe en mai.
b) Il finit la classe à midi.
c) Au printemps, il y a des fleurs.
d) Le professur comence la classe à 9 heures.
e) En hiver, la neige tombe.
f) La rentrée de l'école est au mois de juin.
g) En automne, il pleut.
h) En été, il fait beau et chaud.
You would most likely feel pretty bad that you are not there with since you are her best friend.If you and your friend are always together,then your friend feels almost homesick because to her you are part of her home almosts.
On gang you took your time to write that
<em>Bonjour ! </em>
<em />
<em>La prochaine visite guidée sera à 11 heures.</em>
<em />
<em />
Verbe "être" au futur
<em>je serai</em>
<em>tu seras</em>
<em>il, </em>elle,<em> on </em>sera (la prochaine visite = elle)
<em>nous serons</em>
<em>vous serez</em>
<em>ils , elles seront</em>