Is this seat taken?

A really easy no materials multi level speaking activity
Students (Ss) ask question above or opposite "Is this seat free?" "Can I sit here?"
elicit context: bus, train, new school
elicit possible conversation questions
Great for meeting / assessing new Ss.
Can be done once error corrected done again.
Then basic writing, Ss make an imaginary persona
Name:
Job:
Nationality:
Hobbies:
Etc.
And repeat speaking activity as above (every other student stands up and moves around when/where teacher says so)