This thesis aims to examine English tense-aspect use by Chinese EFL learners from the perspective of markedness.
本研究旨在从语言标记性角度考察中国英语学习者的英语时体使用情况。
2
Prototype effects not only emerge in the non-linguistic conception, but also appear in all the strata of linguistic conception, including the tense-aspect system.
原型效应存在于非语言概念中，同样也存在于语言概念的各个层面，包括时态系统。
3
Syntactically, English is a synthetic language, with ample variations in terms of tense, aspect, number and case.