Here is one related to field where rather than 'in', 'on' is intended: עֵינַיִךְ בַּ שָּׂדֶה אֲשֶׁר-יִקְצֹרוּן your eyes on the field where they reap.
Here a spot where it is demanded by the verb but would not be rendered in English: וְלֹא תִגְעֲרוּ- בָ הּ and do not rebuke her.