teaching grammar by using the task based approach

[naserusing]

can any one tell if i can teach advanced grammar by using the task based approach?
lessons like
types of sentence

 

[tzfujimino]

Are you really going to teach English grammar?

 

[emsr2d2]

​Can [STRIKE]any one[/STRIKE] anyone tell me if I can teach advanced grammar by using the task-based approach?

lessons like This is not a sentence. What do you mean?
types of sentence This is not a sentence. What do you mean?

Please note my comments and corrections above. Are you currently teaching grammar (or English) to anyone at all?