Constructive grammar is one of the cognitive approaches that studies language based on cognitive ability and looks at language and language structure completely differently from formalist approaches. This grammar emphasizes linguistic constructions instead of rules and presents all linguistic patterns as constructions. One of these constructions is the verb's argument construction, which connects syntax and meaning. The present study deals with the argument construction of the verb in the writing of Korean students of the Persian language at two levels; the upper-basic and the upper-intermediate based on Constructive Grammar. The data obtained from 80 texts (40 texts of each group) shows the use of 72 verbs at the upper-basic level and 152 verbs at the upper-intermediate level. It indicates that learning the verb from the basic level to a higher level is productive cognitive work, and it is growing. Also, "way construction" is used by language learners of both levels more than other constructions, while cause-motion construction is less seen in their writing. These results help in teaching verbs, explaining polysemy in verbs, and also assist in educational planning, syllabi preparation, and providing teaching resources.