bjr

six students and two teachers are working ...

One teacher is wearing glasses

He is standing in front...

he is not sitting on his chair

He is not correcting tests, he is explaining something :

in fact he is speaking to the students

The other teacher is smiling, he is listening  to is colleague

and he is not speaking

he is not standing in front of the class, he is sitting on the desk

the students are sitting on their chair

they are not playing outside in the playground

they are not eating their lunch...

they are not drawing because...

a red-haired boy is holding a pen

a boy with a hoodle is writing on a sheet...

Réponse:

Bonjour,

Voici, les réponses, je ne suis pas sûre mais, je pense que c'est ça.

Explications:

1) are working

2) is wearing

is standing

is not sitting

3) is speaking

is not correcting

is explaining something

4) is smiling

is listening

are not speaking

5) is not standing

is sitting

6) are sitting

7) are not playing

8) are not eating

9) are not drawing

10) is holding

11) is writing

Voilà, j'espère que cela t'a pût t'aider.