Searle'sclassificationofillocutionaryactsisbasedontheclassificationofperformativeverbs.

The old couple have been married for 40 years and never once _______ with each other.

Thesyntacticrulesofanylanguageare______innumber.

ThedivisionofEnglishintoOldEnglish,MiddleEnglish,andModernEnglishisnonconventionalandnotarbitrary.

We ________ go out to restaurants, but mostly we eat at home.