2 When the Pharisees saw this, they said to him, “Look! Your disciples are doing what is unlawful on the Sabbath.”

Read Matthew 12:2 Using Other Translations

But when the Pharisees saw it, they said unto him, Behold, thy disciples do that which is not lawful to do upon the sabbath day.
But when the Pharisees saw it, they said to him, "Look, your disciples are doing what is not lawful to do on the Sabbath."
But some Pharisees saw them do it and protested, “Look, your disciples are breaking the law by harvesting grain on the Sabbath.”