Abstract
Reading comprehension ability is potency of students to comprehend meaning of written texts, text details and main ideas. Furthermore, ability of reading comprehension activated learners to communicate with writers. To understand main ideas of written texts, help learners to be aware and to get particular messages from texts. Cognitive and metacognitive knowledges help readers to analyze, to summarize, to judge, and to distinguish main idea of reading texts and also more details about writer viewpoints to predicate and decision making to monitor text contents too. Monolingual students are those groups which must be aware about impacts of metacognitive strategy upon reading development and comprehension through to prepare and emanate bio feedbacks with teachers. Hence, monolingual groups have to be taught more than bilingual ones due to their low – proficiency levels and also their weak knowledge capacities about reading development strategies. Indeed, today understanding the effective strategies which help to learn language skills for all of scholars in TESOL domains is very significant, so every teacher that is aware about efficacy of those psychological strategies like cognitive and metacognitive or both; he or she is able to teach language skills particularly reading comprehension very conveniently and more productive language learning results. Without understanding reading strategy text comprehension to learn language skills is impossible.