How does the present perfect simple contribute to establishing a sense of authority or credibility?

The non-progressive present perfect relates past or recent-past activity to current relevance/importance (informative). The foundational literacy standards for Tennessee students are a progression beginning with foundational skills to the sophisticated application of oral and ... May 30, 2002 ... Writing: Learners will determine a purpose for writing and can print numbers, letters, and basic sight words related to personal information and ... Distinguish between information provided by ... Use technology, including the Internet, to produce and publish writing and present the relationships between ... 5 Compare and contrast the overall structure (e.g., chronology, comparison, cause/effect, problem/solution) of events, ideas, concepts, or information in two or ... What are the 12 different English tenses? The twelve tenses in English are as follows: Simple Present Tense; Present Continuous Tense; Present Perfect Tense ... These are some examples of verb shifts: simple present to simple past; past to past perfect; present perfect to past perfect. Quotation, Reported Speech. "I am ... ... information about what is going on in the main clause ... • Present Perfect Progressive Tense: A present perfect progressive verb form is used to state the. ... your teaching on using the present form of verbs in contrast to past tense. The resource includes lots of information about different verb tenses. modelling continuous time systems are discussed and the procedure is illustrated with a simple example. IN A RECENT PAPER, Turnovsky and Burmeister [13] ( ...