Fill in all the gaps with the words in the box, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. Note that you will lose points if you ask for hints or clues!

BASE VERB- PAST SIMPLE - PAST PARTICIPLE
BE -WAS / WERE - BEEN
BECOME - - BECOME
RUN - - RUN
SELL - - SOLD
SING - - SUNG
THINK - - THOUGHT