> as lemmas

1867 W. D. Whitney Lang. & Study of Lang. viii. 303 To the imperfect belongs a subjunctive and imperative, and one or two other less common quasi-modal forms.

1907 E. Sapir in Amer. Anthropologist 9 534 Local or adverbial prefixes and local and quasi-modal suffixes in the verb; and a thoroughly developed system of grammatical sex-gender (masculine, feminine, and neuter).

1969 Lang. 45 747 Gonna can be interpreted as a quasi-modal, comparable to wanna and hafta.

1972 W. Labov Lang. in Inner City ix. 376 The quasimodals produce many problems which are not fully resolved.

1985 R. Quirk et al. Comprehensive Gram. Eng. Lang. 148 A better candidate than let for quasi-modal status, in informal English, is the first person imperative marker let's.

1999 B. K. Dumas in R. S. Wheeler Workings Lang. i. v. 73 In addition, the words and phrases must, have to, and ought to, sometimes called quasi-modals, behave somewhat like true modals.

2002 A. Mittwoch et al. in R. Huddleston & G. K. Pullum Cambr. Gram. Eng. Lang. viii. 753 In the remote conditional, the quasi-modal be serves merely to reinforce the remote meaning.