Here is a direct quote from Susan Gross during one of her sessions at NTPRS. You really can’t make it any more simple than this:
Grammar clarifies meaning. That is its role in language.
Then Susie gave the following example:
a dansé = danced
So, if you feel yourself wanting to go off into the theory of grammar at any time in class this coming year, curb yourself. Nineteen out of twenty of your kids don’t care and will put up their screen savers instantly. On the other hand, the above pop-up can be done in 2-4 seconds so you can get away with it – you can slide it by them. Just starve the grammar freak in you. Teach the kids – not grammar.
The Problem with CI
Jeffrey Sachs was asked what the difference between people in Norway and in the U.S. was. He responded that people in Norway are happy and