The grammatical errors that occur in second language acquisition can all be explained by mother tongue interference.

Discuss any FOUR of the features of human language that distinguish it from animal communication system.

New words can be formed in many ways. Please illustrate borrowing, compounding, blending and back-formation, each with two examples.

the naming theory

illocutionary act

surface structure

intrapersonal communication

perlocutionary act

behaviourism as a semantic view

expressives

the Sapir-Whorf hypothesis