How to Use "grammarian" with Example Sentences

1. We consuited a leading grammarian .
2. One way we learn this is through the role of grammarian .
3. A grammarian knows , or is at least supposed to know grammar .
4. I am about to -- or I am going to -- die : either expression is correct . -- Dominique bouhours , french grammarian .
5. I love being the grammarian .