bonjour
I am
you are (tu es)
he (she ; it) is
we are
you are
they are
a) Look! It is Allan! He is English, he is from London.
Regarde ! C'est Allan ! Il est anglais, il vient de Londres.
b) How much are your oranges?
Combien coûtent vos oranges ?
c) I am French. What nationality are you?
Je suis français. Quelle est votre (ta) nationalité ?
d) My vegetables are all very fresh.
Mes légumes sont tous très frais.