Subject	grid
Predicate	be useful to
Object	us
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.6626
Neighborhood Sigma	0.6902
Local Sigma	0.7119
Example Sentences	Sentence Occurrences Source grids are useful to us 2 Google Autocomplete grid is useful to us 2 Google Autocomplete a grid is useful to us 2 Google Autocomplete