The different subordinative sentence types fall into four groups, when analyzed on the basis of their essential structure, namely (a) quadradic, (b) triadic, (c) diadic, and(d) monadic solidarities; they fall into two groups on the basis of their inflection; names (i) conjugated, and (ii) non-conjugated.

By the afternoon it seemed as if the storm had passed and that frost was setting in; but in the evening the wind rose to gale force, bringing telegraph poles down like skittles and tangling power and telephone lines.

No more her care shall fill the hollow tray, / To fat the guzzling hogs with floods of whey.

Ad for advertisement is struggling hard for general recognition; some of its compounds, e. g., ad-writer, want-ad, display-ad, ad-card, ad-rate, column-ad and ad-man, are already accepted in technical terminology.