Past simple is used to describe actions that were completed in the past at a specific time. Present perfect is used to describe actions that began in the past and continue in the present, actions that occurred at an unspecified time in the past with relevance to the present, or experiences that occurred during one's lifetime. Some examples of when each tense would be used are given.
Power Point about uses and form of Presnt Perfect Tense with brief explanations and examples included. Most examples are made from personal experiences. Some examples will need updates.
present perfect simple and continuous for Italian studentsLinda Bertolino
This is a ppt. presentation for Italian students explaining the Present perfect simple and continuous tenses. The explanations are followed by examples and pictures which can allow students to understand this past tense. Hope it will be useful.
Read| The latest issue of The Challenger is here! We are thrilled to announce that our school paper has qualified for the NATIONAL SCHOOLS PRESS CONFERENCE (NSPC) 2024. Thank you for your unwavering support and trust. Dive into the stories that made us stand out!
The Art Pastor's Guide to Sabbath | Steve ThomasonSteve Thomason
What is the purpose of the Sabbath Law in the Torah. It is interesting to compare how the context of the law shifts from Exodus to Deuteronomy. Who gets to rest, and why?
Synthetic Fiber Construction in lab .pptxPavel ( NSTU)
Synthetic fiber production is a fascinating and complex field that blends chemistry, engineering, and environmental science. By understanding these aspects, students can gain a comprehensive view of synthetic fiber production, its impact on society and the environment, and the potential for future innovations. Synthetic fibers play a crucial role in modern society, impacting various aspects of daily life, industry, and the environment. ynthetic fibers are integral to modern life, offering a range of benefits from cost-effectiveness and versatility to innovative applications and performance characteristics. While they pose environmental challenges, ongoing research and development aim to create more sustainable and eco-friendly alternatives. Understanding the importance of synthetic fibers helps in appreciating their role in the economy, industry, and daily life, while also emphasizing the need for sustainable practices and innovation.
Unit 8 - Information and Communication Technology (Paper I).pdfThiyagu K
This slides describes the basic concepts of ICT, basics of Email, Emerging Technology and Digital Initiatives in Education. This presentations aligns with the UGC Paper I syllabus.
The Indian economy is classified into different sectors to simplify the analysis and understanding of economic activities. For Class 10, it's essential to grasp the sectors of the Indian economy, understand their characteristics, and recognize their importance. This guide will provide detailed notes on the Sectors of the Indian Economy Class 10, using specific long-tail keywords to enhance comprehension.
For more information, visit-www.vavaclasses.com
Students, digital devices and success - Andreas Schleicher - 27 May 2024..pptxEduSkills OECD
Andreas Schleicher presents at the OECD webinar ‘Digital devices in schools: detrimental distraction or secret to success?’ on 27 May 2024. The presentation was based on findings from PISA 2022 results and the webinar helped launch the PISA in Focus ‘Managing screen time: How to protect and equip students against distraction’ https://www.oecd-ilibrary.org/education/managing-screen-time_7c225af4-en and the OECD Education Policy Perspective ‘Students, digital devices and success’ can be found here - https://oe.cd/il/5yV
Ethnobotany and Ethnopharmacology:
Ethnobotany in herbal drug evaluation,
Impact of Ethnobotany in traditional medicine,
New development in herbals,
Bio-prospecting tools for drug discovery,
Role of Ethnopharmacology in drug evaluation,
Reverse Pharmacology.
We all have good and bad thoughts from time to time and situation to situation. We are bombarded daily with spiraling thoughts(both negative and positive) creating all-consuming feel , making us difficult to manage with associated suffering. Good thoughts are like our Mob Signal (Positive thought) amidst noise(negative thought) in the atmosphere. Negative thoughts like noise outweigh positive thoughts. These thoughts often create unwanted confusion, trouble, stress and frustration in our mind as well as chaos in our physical world. Negative thoughts are also known as “distorted thinking”.
1. Past simple / present perfect
Past simple is used: Present perfect is used:
• Actions that finished in a • Actions which happened in an
definite time in the past indefinite time in the past and
with visible results in the present
I bought this car last week.
I have lost my key. (I can’t find it
now)
• To ask when? what time? Have you seen Ann? (She is not
Where? here now)
They have arrived. ≠ • To describe very recent actions
When did they arrive?
She has just moved to a larger
An hour ago.
flat.
2. Past simple / present perfect
Past simple is used: Present perfect is used:
• For actions which started in the past
and continue in the present
• To talk about past states that
cannot happen again She has lived in this flat since 2005.
She has lived there for three years.
Shakespeare was a writer. He (She still lives there!)
wrote plays and poems. (from
1564 to 1616) • To describe experiences in our lifetime
Have you ever eaten Chinese food?
• For actions which finished in I have already eaten Chop Suey.
the past, one after the other. I haven’t eaten Japanese food yet.
(in your life until now)
She lived in this house for ten ≠ Did you eat Chinese food when you
years and then moved to were in China? Yes, I did.
another one. (sequence of (specific time in the past)
past actions)
3. Past simple / present perfect
Time expressions: Time expressions:
• Yesterday • Just, recently
• last week (...) • ever, never
• six months ago • already, yet
• in 1975, at 3 o’clock • since, for
• so far
• how long