English Skills with Readings 8th Edition by John Langan

تمرين 53

All but one of the ten sentences that follow need - d or -ed verb endings. Cross out the nonstandard verb forms, and write the standard forms in the spaces provided. Mark the one sentence that needs no change with a C.
EXAMPLE
failed Yesterday I fail a chemistry quiz.
__________ Sam attempt to put out the candle flame with his finger.