posted by kathy .
How does commas change the meaning of a sentence? How can I ensure that my comma usage helps me communicate clearly?
English grammar she means -
Please put subject in the title. We math teachers do not know this stuff.
Check these sites for comma usage.
English grammar -
This website has very good explanations and examples of when to use commas and when not to use them.
Without specific examples from you, it's difficult to tell you much more than this.
- English grammar - Writeacher