How does the present perfect simple often follow expressions of obligation or permission?

The choice of using present perfect simple or progressive is often a matter of perspective and/or emphasis: to describe an openended event in contrast to an ... Past simple, continuous and perfect 1. Past simple, continuous and perfect 2. The past and the present. We use the present perfect: for something that started ... 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 ... Nov 10, 2016 ... Can you give some examples to distinguish the use of simple past vs present perfect tense for a recent action? ... Other answers are informative ... ... difference between means if the data are continuous (see Chapter 6). In the ... However, deciding on a cut-point may be arbitrary, and information is lost when ... Oct 15, 2024 ... The Present Perfect Continuous tense is vital for describing actions that began in the past and are still continuing, or have recently ... Jun 14, 2022 ... The small claims division of a district court has the power to hear civil cases in which a party (the plaintiff) is seeking a money amount up to ... Talking about experiences using Present Perfect and Past Simple. General Grammar. In the first lesson, students learn the differences between the two tenses and ... modelling continuous time systems are discussed and the procedure is illustrated with a simple example. IN A RECENT PAPER, Turnovsky and Burmeister [13] ( ... ... informational texts to present, describe, and explain ideas and information, using ... simple present for type, and discipline (e.g., the present perfect.