[...] form in language presents itself under two aspects. We may either consider the formal methods employed by a language, its 'grammatical processes' [...]
- Sapir (1921), a pag.57

Both 'die-d' and 're-form-er-s' employ the method of suffixing grammatical elements [...]
- Sapir (1921), a pag.58

Every language possesses one or more formal methods for indicating the relation of a secondary concept to the main concept of the radical element. Some of these grammatical processes [...] are exceedingly wide-spread; others [...] are less common but far from rare; still others [...] are somewhat exceptional as functional processes.
- Sapir (1921), a pag.59

[...] there is (or was) an inherent tendency in English, at the time such forms as 'geese' came into being, for the utilization of vocalic change as a significant linguistic method.
- Sapir (1921), a pag.60

The simplest, at least the most economical, method of conveying some sort of grammatical notion is to juxtapose two or more words in a definite sequence [...]
- Sapir (1921), a pag.62

[...] composition may go back to typical sequences of words in the sentence, it is now, for the most part, a specialized method of expressing relations.
- Sapir (1921), a pag.65

In Iroquois [...] the composition of a noun, in its radical form, with a following verb is a typical method of expressing case relations, particularly of the subject or object.
- Sapir (1921), a pag.66

[...] it is a fair guess that suffixes do more of the formative work of language than all other methods combined.
- Sapir (1921), a pag.67

Such words as 'goody-goody' and to 'pooh-pooh' have become accepted as part of our normal vocabulary, but the method of duplication may on occasion be used more freely than is indicated by such stereotyped examples.
- Sapir (1921), a pag.76