... the past (yesterday, last month, etc.), you cannot use the presentperfect In these cases, use the simplepast Practice! Do these exercises with your class Choose the simplepast or presentperfect ... that started in the past, but is still true today The simplepast always refers to an The presentperfect connects the action or situation that is finished pastand the present It is used ... Sara began living in Boston years ago AND she still lives there Remember, present perfect: connects the past with the present Use Use • the simplepast with time words like: yesterday...
... SimplePast or PresentPerfectSimple Exercise Put the verbs into the correct tense (simple past or presentperfect simple) Yesterday, my brother (come) home from school, (switch) on the TV and ... London Lucky you! I (be / never) to London SimplePast or PresentPerfectSimple Exercise Put the verbs into the correct tense (simple past or presentperfect simple) A: (you / try / ever) B: Oh, yes! ... (eat / never) haggis again since then SimplePast or PresentPerfectSimple Exercise Put the verbs into the correct tense (simple past or presentperfect simple) A: (you / buy) the tickets for...
... use, signal word of the presentperfect • II Form, use, signal word of the presentperfectprogressive • III Difference between the presentperfectand the presentperfectprogressive I.FORM: 1)Affirmative: ... use Presentperfect tense with definite past time words: yesterday, last… ago, etc… Ex: My aunt called me yesterday (Not: My aunt has called me yesterday) -Actions which started in the pastand ... that I started to play that game.) Presentperfect • Emphasise result Ex:I have written letter.I have been to dalat twice • Emphasise on completion presentperfectprogressive • Emphasise duration...
... the morning, Tuan and his father go jogging around Xuan Huong Lake Hoa and her mother walked along Bui Thi Xuan Street and then visited the flower garden Hoa liked it very much and the flowers ... ……………………………………………………………………………………………… ………………………….…………… V Read the passage and answer question below: In the summer holidays, Mr Hung, Mrs Chi and their children, Tuan and Hoa often go to the beach for two or three days ... classes …………… Sunday .She does her homework ………… pm and pm ……………the evening What does she …………………school? Mr Nam does not work ………… the weekend Choose and underline the best answers: Her mother ………………...
... SIMPLEPAST TENSE We use it when the action in the PAST is DEFINITE DEFINITE Last Monday, I had a difficult test When I was a child, I studied at that school PRESENT PERFECT TENSE ... was a child, I studied at that school PRESENT PERFECT TENSE We use it when the action in the PAST is INDEFINITE DEFINITE We have studied at ?????? NO TIME!!! I have gone to Brazil many times ... STUDIED her Midterm exam last week (study) • “ skydiving in his life?” HAS HUGO GONE Yeah, he and Bernardo _ HAVE GONE skydiving together (Hugo/go) (go) ...
... the island was estimated at eighty-four thousand; in 1817, one hundred and seventy-nine thousand; in 1827, two hundred and eighty-six thousand; in 1843, four hundred and thirty-six thousand; in ... humblest may utter and the most powerful cannot hush, this government is successful in restoring order and peace and liberty where hitherto, and now, all is tumult and conflict and despotism, the ... deprivation of political, civil and religious liberty, an exclusion of the islanders from all public offices, and a heavy and iniquitous taxation to maintain the standing army and navy Clothed as they...
... release details Nutshell Handbook, the Nutshell Handbook logo, and the O’Reilly logo are registered trademarks of O’Reilly Media, Inc The Past, Present, and Future of JavaScript and related trade dress ... The Past, Present, and Future of JavaScript Axel Rauschmayer Beijing • Cambridge • Farnham • Köln • Sebastopol • Tokyo The Past, Present, and Future of JavaScript by Axel ... 1342547205 Table of Contents The Past, Present, and Future of JavaScript The past Standardization Historic JavaScript milestones The present The future Evolving...
... pile of wood, but when you combine all of the pieces together, the table begins to have some use and worth to it Education is something that has the biggest value of anything in the world It is ... ideal that without it, we would never be able to live the way we today It has come from a small, simple school, to a key to the future in only the span of years ...
... evaluate the past, investigate and think through the presentand understand and plan for the future sustainable energy harvesting technologies The key to success is to learn from the pastand make ... in the present to create a novel and attractive future! Topics covered by this book include but are not limited to the following: PastandPresent Sustainable Energy Technologies; Review and Challenges, ... – Past, Presentand Future, Edited by Yen Kheng Tan p cm ISBN 978-953-307-438-2 free online editions of InTech Books and Journals can be found at www.intechopen.com Contents Preface IX Part Past...
... Technologies – Past, Presentand Future Will-be-set-by-IN-TECH Output messages and communication A node Nid can use the transmitter to broadcast a message m ∈ Message to the network using the command sendid ... communicated to the neighbours, and the computational and the physical states are updated accordingly 12 10 Sustainable Energy Harvesting Technologies – Past, Presentand Future Will-be-set-by-IN-TECH ... two blow-ups in (b) and (c) emphasises the first important difference between the DEHAR and DD algorithms 22 20 Sustainable Energy Harvesting Technologies – Past, Presentand Future Will-be-set-by-IN-TECH...
... mechanism only consumes power during the tuning operation and uses negligible energy 32 Sustainable Energy Harvesting Technologies – Past, Presentand Future once the resonant frequency is matched to ... while the other was attached to an actuator and placed axially in line with the cantilever The 34 Sustainable Energy Harvesting Technologies – Past, Presentand Future distance between the two tuning ... array was able to power the sensor node within wideband frequency vibrations 36 Sustainable Energy Harvesting Technologies – Past, Presentand Future 2.5.2 Nonlinear structures The theory of...
... Technologies – Past, Presentand Future magnetic spring generator which has been built and tested for human body motion is presented and discussed the advantages of this structure Finally we will present ... Harvesting Technologies – Past, Presentand Future Barrero-Gil, A.; Alonso, G & Sanz-Andres, A (2010) Energy harvesting from transverse galloping, In: Journal of Sound and Vibration, Vol.329, pp ... consider the uniform cross sectional area and 60 Sustainable Energy Harvesting Technologies – Past, Presentand Future length of permanent magnet are Ap and lp respectively as shown in figure The...
... been built and tested Table shows the generator 84 Sustainable Energy Harvesting Technologies – Past, Presentand Future parameters of macro generators C, D and E Generators C, D, and E were ... (ohm) Fig 15 Calculated load power and damping factor for Qoc = 1000 and N=500 turns coil generator 76 Sustainable Energy Harvesting Technologies – Past, Presentand Future 0.052 0.06 0.039 Load ... Sustainable Energy Harvesting Technologies – Past, Presentand Future The ratio between the force and the deflection is called the spring constant, k and is given by: k= 3EI L3 (29) The total end...