Write sentences on the board, they must all have a similar start and end.
Practise saying “Bang! Bang!.. (sentence start), then “Bang! Bang!..( full sentence).
Students stand in a circle.
Teacher shoots once student and he/she ducks.
Teach says “Bang! Bang!” followed by a sentence starter.
The students on either side of the “shot student”, then shoot each other.
As they shoot, they say the full sentence.
Slowest is eliminated.