Use the causative allomorphs in kiswahili and setermine the factors which blocks their productivity in morphological linguistic?
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May 15
In Kiswahili, causative allomorphs are used to indicate that the subject of a verb is causing someone or something else to perform the action of the verb. The causative allomorphs in Kiswahili are -isha, -esha, -le, and -ele.
Factors that can block the productivity of causative allomorphs in morphological linguistics include:
1. Irregular verb forms: Some verbs in Kiswahili have irregular causative forms that do not follow the standard patterns of causative allomorphs. This can make it difficult for speakers to predict the correct causative form of a verb.
2. Semantic restrictions: Some verbs in Kiswahili have specific semantic restrictions that prevent them from taking certain causative forms. For example, some verbs may only take the causative allomorph -isha, while others may only take -esha.
3. Phonological constraints: The phonological structure of a verb can also affect the productivity of causative allomorphs. For example, some verbs may undergo phonological changes when the causative suffix is added, leading to irregular forms.
4. Lexical idiosyncrasies: Some verbs in Kiswahili have idiosyncratic meanings or usage patterns that make it difficult to apply causative allomorphs in a productive manner. Speakers may need to memorize the causative forms of these verbs rather than applying a general rule.
Overall, the productivity of causative allomorphs in Kiswahili can be affected by a combination of linguistic factors such as irregularities in verb forms, semantic restrictions, phonological constraints, and lexical idiosyncrasies.
Factors Blocking the Productivity of Causative Allomorphs
The productivity of causative allomorphs in Kiswahili is limited by several factors:
1. Base Verb Morphology:
- Verbs with certain morphological structures, such as those with long vowels, geminate consonants, or suffixal -i, are less likely to take causative allomorphs. - For example, the verb "piga" (beat) cannot take "-isha" to form a causative, but instead uses the auxiliary "ku-fanya" (to make).
2. Semantic Constraints:
- Some verbs have inherent meanings that make them incompatible with causativization. - For example, verbs denoting states or processes (e.g., "kuwa" 'to be') or verbs with reflexive or reciprocal meanings cannot be causativized.
3. Phonological Factors:
- The distribution of causative allomorphs is also influenced by phonological factors. - For instance, "-isha" is typically used with verbs ending in -a, while "-za" is used with verbs ending in a consonant.
4. Stylistic Preferences:
- Certain causative allomorphs may be preferred over others in different contexts or registers of speech. - For example, "-za" is more common in informal speech, while "-isha" is more formal and may be preferred in written or academic contexts.
5. Diachronic Changes:
- The productivity of causative allomorphs has also been affected by diachronic changes in the language. - For instance, the allomorph "-es" was once more productive but has become less so in modern Kiswahili.
Conclusion:
The productivity of causative allomorphs in Kiswahili is influenced by a complex interplay of factors related to base verb morphology, semantics, phonology, style, and historical developments. These factors limit the applicability of causative allomorphs to certain verbs and contexts.