Is the timeframe of the present perfect continuous usually indefinite or unspecified?

It is intended to provide basic information regarding the rights and responsibilities of living in and governing an HOA, as provided by the Colorado Common ... 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 ... The present perfect progressive (continuous) is actually easier to understand than the present perfect simple tense. It is used to describe an event that ... Jul 6, 2012 ... No wonder English is difficult to learn! Step #4. Present Perfect Vs. Present Perfect Progressive. Finally, focus on the second use of the ... Past Simple vs Present Perfect vs Present Perfect Continuous quiz for 8th grade students. Find other quizzes for English and more on Quizizz for free! 5R3: In literary texts, compare and contrast two or more characters, settings, and events, drawing on specific details in the text. In informational texts, ... ... your teaching on using the present form of verbs in contrast to past tense. The resource includes lots of information about different verb tenses. Distinguish between usage of simple past and past perfect forms of verbs. Use verbs in past perfect tense in affirmative, interrogative and negative sentences. Auctions. Extensive form games of incomplete information. Perfect Bayesian (Nash) Equilibria. Introduction to social learning and herding. Let's move onto some of the other commonly misused verb forms. Simple Past Vs. Present Perfect. On the SAT, a verb will occasionally be in the simple past tense ...