How does the present perfect simple often imply a sense of having achieved a certain level of expertise?

Feb 19, 2021 ... The novel coronavirus pandemic is the perfect model for ... A disease outbreak is endemic when it is consistently present but limited to a ... Sep 26, 2017 ... ... present perfect tenses. Both of these words explain how long something has been happening. So, when you want to give more information about ... Sep 10, 2020 ... Simple Past and Past Continuous. Compare these sentences. What are the verbs? How is the past tense formed in each sentence? Definition. Present Perfect. Progressive. The quality of a present perfect tense that indicates an act or condition that started in the past and continues into ... 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 ... Mar 1, 2016 ... ... for simple compositions — never for ... Use lines to present continuous data in an interval scale, where intervals are equal in size. The Present Perfect Continuous tense uses two auxiliary verbs together with a main verb. In this lesson we look at the structure and use of the Present Perfect ... Present Perfect Tense - when to use; how to form; how to use yet already, for and since; the difference between the Present Perfect and the Past Simple tenses The present perfect progressive (continuous) is actually easier to understand than the present perfect simple tense. It is used to describe an event that ... Present perfect. Others have used similar approaches. Reporting of your own or ... When writing an APA Style paper, present ideas in a clear and straightforward ...