esl past progressive and simple past exercises

... irregular past participles 17 Present Perfect & Simple Past Click on the correct tense of the underlined verb He visited the United States last June Present Perfect Simple Past incorrect correct The simple ... cousin Present Perfect Past Simple correct incorrect The present perfect can express an action that happened at an indefinite time in the past 20 Present Perfect or Past Simple Click on the correct ... in the past and continues to the present I’ve known Robert for years How long have you worked as a tour guide? 10 The present perfect expresses an action or state which began in the past and continues

Ngày tải lên: 11/05/2017, 21:47

... and revision of simple present and simple past tenses * Objective: - By the end of the lesson, students will be able to know more about Hoa-Lan-Nien and to review simple present and simple past ... đổi động từ Direct speech Indirect speech Simple present Present progressive Present perfect Simple past Simple past Past progressive Past perfect Past perfect Will/Shall Can/May Must Would/ ... sounded while were learning English Form : when = th×; while = Past progressive WHEN past simple Past simple WHILE past progressive Unit 13 1 Words to remember To fetch (to) yell

Ngày tải lên: 13/04/2021, 18:09

... Week Unit : MY FRIENDS Period Lesson:1: Listen And Read Date Aim :Reading the dialogue for detaits and revision of simple present and simple past Tenses Objective:By the end of the lesson, ... end of the lesson, students will be able to know more about Hoa Lan ,Nien and to review simple present and simple past tenses Teaching aids;Test book ,cards Procedure : T Content Teacher ... checks and corrects mistakes Gives homework Come to the board and write answers Follows the teacher’s guides listen, repeat and copy carefully Work in pairs and guess T/F Read the text and

Ngày tải lên: 13/04/2021, 23:00

... writing guides and resources when in doubt Business Writing Clear and Simple is designed to: ■ ■ ■ ■ ■ ■ ■ ■ ■  boost writing confidence and skills provide practical tips for a successful and positive ... correspondence, and also how to properly begin and end a letter You will find sample resumes and cover letters, and everything you need to know, but never thought to ask, about envelopes and paper ... unspoken etiquette for how to handle more challenging situations—and clarifies them with real-life, illustrative writing samples N  Introduction BUSINESS WRITING CLEAR AND SIMPLE ix 6023_BusinessWritingClear(fin)

Ngày tải lên: 18/03/2013, 01:45

... used a computer before and know how to turn it on and power it off, how to use a mouse, and how to select text and objects I also... such as Data Access Pages and, in Access 2010, ... divided into sections, and each section has a specific focus with related tasks To help you understand how to move around and use the book, I’ll now provide... on the taskbar, and then click All ... revolutionary step forward, and the challenge in this book has been... 194 Using labels and managing columns and rows 196 Working with layout view, report view, and Print Preview 198 x Contents

Ngày tải lên: 07/04/2014, 15:04

... went to the floor and wedged my way into the crowd, and I waited, knowing that I was covered. The bell sounded and the shouting began, and after a few brief stops the FTSE landed at 4400. The ... Volatility and pricing models 43 Comparing historical and implied volatility Historical and implied volatility move in tandem; they seldom coincide Figure 4.4 compares the historical and implied ... these options, both the call and the put, are pinned. This causes a problem for options on stocks and options on futures contracts, but not for options on stock indexes and short-term interest

Ngày tải lên: 20/06/2014, 20:20

... 105 call and short two 115 calls, and if XYZ rallies to 115, then the solution is to buy one 125 call Likewise, if the spread is long one 95 put and short two 85 puts, and if XYZ ... buying or selling premium, and the trade-offs are similar to straight long or short positions in calls or puts. If a long and a short spread are both out-of-the-money and equidistant from the ... Long versus short call and put spreads So far we have seen that both a long call spread and a short put spread profit from an upside move. Likewise both a long put spread and a short 8 I wouldn’t,

Ngày tải lên: 20/06/2014, 20:20

... put buying opportunity, and demand remains strong. This can be nerve-racking for put sellers, and they feel like sitting ducks. Often the market retraces and stabilises, and time decay begins ... stock or underlying, and the upside profit is maintained. It is no coincidence that at-the-money calls and puts are priced the same. They both offer the same amount of upside and downside volatility ... calls and puts of the strike prices descending from the at -the- money strike are said to be on the put skew Here, both the call and put skews have increased implieds, and so

Ngày tải lên: 20/06/2014, 20:20

... and the underlying cancel each other below... futures 235 236 Part 4  Basic non-essentials Conversion and reversals on individual stocks and on other stock indexes The conversion and ... invariably fluctuates, and so results in a profit to one party and a loss to the other. The party who has a loss is then required to deposit the amount of the loss, and this additional deposit ... 21  Futures, synthetics and put–call parity 223 On the other hand, the holder of the long futures position forgoes the dividends payable for the next six weeks, and therefore the value of

Ngày tải lên: 20/06/2014, 20:20

... classic risk problems and classic options problems, and unless future players understand the trade-off between long-term risk and short- term profit, they will happen again and again. Congratulations ... options are and what they do. You also know how to create spreads, and you have a basic understanding of volatility. Most importantly, you have an understanding of risk. You understand how the ... or weekly. Do this with straight calls and puts, and do it with spreads. O Begin trading with 1×1s, butterflies and condors, in order to minimise skew and implied volatility risk. O When you

Ngày tải lên: 20/06/2014, 20:20

... short puts and long... media mogul, and the December futures contract rallies to 5620 You know that your call position has made a profit, and while awaiting a price quote (and a possible ... calendar spread? (c) i) Although there are 28 days between November and December expirations, and 35 days between December and January expirations, you would like to estimate the profit potential ... Questions and answers 291 Chapter 14 questions 1 Your shares in Intel have performed well in the past, but now, with the pos- sibility of a global recession, Intel’s orders are down, and the stock

Ngày tải lên: 20/06/2014, 20:20

... Thorough and readable An Introduction to the Global Financial Markets (2010) by Stephen Valdez, and Philip Molyneux, Palgrave Macmillan. A first-rate intro to this business. Options Plain and Simple ... see also delta; gamma; theta; vega; volatility and pricing models probability delta and 51–2, 306 theta and 60, 308 problems 241–2 with call and put positions 195–7 put–call parity 231–2 puts ... 181 probability 51–2 summary 52 time and 165–9 time decay 49–50, 309 vs gamma, theta and vega 169–70 diagonal call spread 160 direction, market long and short 30 dividends 159, 237 futures

Ngày tải lên: 20/06/2014, 20:20

... the standard spreads to suit a particular outlook and strategy 10  Combos and hybrid spreads for market direction 107 exchanges, this three-way can be traded in one transaction, and the ... 1×1s, long vanil- las, and butterflies or condors. Either you work with an options strategist or you stick to 1×1s, long vanillas, and butterflies or condors 10 Combos and hybrid spreads ... purchase the 100 call and the 100 put in the same transacof the at -the- money tion The maximum risk of the spread is its cost, call and put 11  Volatility spreads and the. .. it

Ngày tải lên: 21/06/2014, 00:20

... complications? Make it simple: if you want to buy stock and write the call, and if there are no dividends involved, and if you’re a short-term investor, then just sell the in the money put and save yourself ... premiums are expensive. 13  Butterflies and condors: combining call spreads and put spreads 149 Volatility, days until expiration, and butterflies and condors Likewise when volatilities are ... accommodate the indi- vidual investor, and to improve liquidity and price discovery. 4 If and when the FTSE reaches this level again. The point is to use butterflies and condors when options premiums

Ngày tải lên: 21/06/2014, 00:20

... exceptions to Table 15.3 are the deep in-the-money and far out-of- the-money options, such as the December 320 calls and puts, and the December 440 calls and puts. When these options have 30 DTE, most ... traders trying to meet short-term targets, and then to overtrading, and then to racking up commissions, and then to taking undue risk, and then sometimes to a blowout This is because ... advantage of, and not to fight, the volatility trend Volatility can increase and decrease for long periods of time, just as stock, bond and commodity markets have their bull and bear trends

Ngày tải lên: 21/06/2014, 00:20

... put buying opportunity, and demand remains strong. This can be nerve-racking for put sellers, and they feel like sitting ducks. Often the market retraces and stabilises, and time decay begins ... stock or underlying, and the upside profit is maintained. It is no coincidence that at-the-money calls and puts are priced the same. They both offer the same amount of upside and downside volatility ... calls and puts of the strike prices descending from the at -the- money strike are said to be on the put skew Here, both the call and put skews have increased implieds, and so

Ngày tải lên: 21/06/2014, 00:20

... and the underlying cancel each other below... futures 235 236 Part 4  Basic non-essentials Conversion and reversals on individual stocks and on other stock indexes The conversion and ... invariably fluctuates, and so results in a profit to one party and a loss to the other. The party who has a loss is then required to deposit the amount of the loss, and this additional deposit ... 21  Futures, synthetics and put–call parity 223 On the other hand, the holder of the long futures position forgoes the dividends payable for the next six weeks, and therefore the value of

Ngày tải lên: 21/06/2014, 00:20

... classic risk problems and classic options problems, and unless future players understand the trade-off between long-term risk and short- term profit, they will happen again and again. Congratulations ... options are and what they do. You also know how to create spreads, and you have a basic understanding of volatility. Most importantly, you have an understanding of risk. You understand how the ... or weekly. Do this with straight calls and puts, and do it with spreads. O Begin trading with 1×1s, butterflies and condors, in order to minimise skew and implied volatility risk. O When you

Ngày tải lên: 21/06/2014, 00:20

... stock and stock index puts have significantly greater early exercise premium than puts on futures contracts because they can be exercised to gain cash and, therefore, interest. Questions and ... will most likely do which of the following? Why? (a) Buy calls and sell puts. (b) Buy puts. (c) Sell calls and buy puts. (d) Buy calls and buy puts. 7 The S&P 500 index has closed at 1085.93, ... Given the following options, which are expressed in ticks and whose multi- plier is $50, and given their thetas expressed in dollars and cents, calculate the approximate new value of the options

Ngày tải lên: 21/06/2014, 00:20

... short puts and long... media mogul, and the December futures contract rallies to 5620 You know that your call position has made a profit, and while awaiting a price quote (and a possible ... calendar spread? (c) i) Although there are 28 days between November and December expirations, and 35 days between December and January expirations, you would like to estimate the profit potential ... Questions and answers 291 Chapter 14 questions 1 Your shares in Intel have performed well in the past, but now, with the pos- sibility of a global recession, Intel’s orders are down, and the stock

Ngày tải lên: 21/06/2014, 00:20