Subject ionosphere
Predicate be useful to
Object man
Modality
Modality Occurrences
Polarity POSITIVE
Plausibility 0.0056
Neighborhood Sigma 0.0058
Local Sigma 0.0063
Example Sentences
Sentence Occurrences Source
ionosphere is useful to man 1 Google Autocomplete
the ionosphere is useful to man 1 Google Autocomplete