Usa "not grateful" in una frase

1. But he then yanked open the car door, for which I was not grateful because I swept passed him on a wave of bubbling water that an Aussie surfer would have given his right arm to ride

2. Bad students are not grateful, say bad things about their Master

3. 'Thank you, Gertrud,' I said as she wrapped me up; but though I shivered I was not grateful

4. “Don’t think for a minute I’m not grateful t’ you—to all of you