Презентация, доклад по английскому языку Great vowel shift

English vowels (in phonetic terms, the raising and fronting of the long, stressed monophthongs) that occurred in England during the late Middle English period (roughly the period from Chaucer to Shakespeare).

a Danish linguist who specialized in the grammar of the English language.

the Black Death (1348-1350);
a sudden social mobility after the Black Death;
the change of language of the ruling class;
the Hundred Years’ War (1337-1453).

raised to [ɛː], [eː] and in many dialects diphthongised in Modern English to [eɪ] (as in make).
• Middle English [ɛː] raised to [eː] and then to modern English [iː] (as in beak).
• Middle English [eː] raised to Modern English [iː] (as in feet).
• Middle English [iː] diphthongised to [ɪi], which was most likely followed by [əɪ] and finally Modern English [aɪ] (as in mice).
• Middle English [ɔː] raised to [oː], and in the eighteenth century this became Modern English [oʊ] or [əʊ] (as in boat).
• Middle English [oː] raised to Modern English [uː] (as in boot).
• Middle English [uː] was diphthongised in most environments to [ʊu], and this was followed by [əʊ], and then Modern English [aʊ] (as in mouse) in the eighteenth century

break, steak, swear, and bear;
the word father failed to become [ɛː];
The word broad, which failed to become [oʊ].
The word room (spelled as roum in ME) is an exception to the shifting of [uː] to [aʊ].