I've correctly used 'made sure,' 'cared about,' 'at,' 'make them feel,' 'had,' 'mode,' 'make him feel,' and 'was truly,' haven't I?

I've correctly used 'made sure,' 'cared about,' 'at,' 'make them feel,' 'had,' 'mode,' 'make him feel,' and 'was truly,' haven't I?

1. My grandfather always made sure (that) I would feel that he really cared about my welfare.
2. At the end of the whole-day classesThe principal had a post-conference with the new teachers not to make them feel humiliated about any mistake committed but to set matters straight concerning the teaching methods or approaches they had employed.
3. The dean wrote his observation of the professor's delivery of the lessons, interaction with the learners, mode of evaluation, and other aspects of instruction.
4. Cindy addressed her husband as “the boxer” so as to make him feel that he was truly a professional boxer, not an amateur teacher.