Type N over each noun, V over each verb or verb part, and P over each pronoun. For any word which does not fit into one of these categories simply type B. Each box should have a letter in it.
The teacher told us to work quietly.
P N V P V B
The (B) teacher (N) told (V) us (P) to (B) work (V) quietly (B).
N P V P V B
The teacher told us to work quietly.