past simple and past continuous exercises pdf with answers

... recently, don’t you think? 6 My grandfather died 30 years ago. I (never/meet) him. 4. Fill in the blanks with modals: must - have to - ought to - used to 1. You wash your hands before meals. 2. It’s ... bright red dress and long black stockings. Last year in another play, she had to wear short socks and a bright, orange-colored dress. If anyone asks her how old she is, she always answers, “My ... the party? 7. There are many clouds in the sky. It (rain) ….…… …………………………… 6. Read the passage and answer the following questions: My aunt Nhan is an actress. She must be at least thirty-five....

Ngày tải lên: 08/07/2013, 01:27

... TOPIC 2: OUR PAST PERIOD 8: PRESENT SIMPLE, PAST SIMPLE AND PREPOSITIONS OF TIME A. Theory: 1. Present simple and past simple: Tenses Affirmation Negation Interrogation Present simple S + am/ ... 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...

Ngày tải lên: 09/07/2013, 01:26

... Past simple (Thì quá khứ đơn) Simple Past là thì quá khứ đơn. Để viết câu ở thì Simple Past ta chia động từ ở dạng past của nó. Hầu hết các động từ khi ... hold :held to meet :met to stand :stood to mean :meant to read /rid/ :read /red/ to sit :sat to take :took to think :thought * Chúng ta dùng thì Simple Past để chỉ một sự việc đã xảy ... herself It itself Số nhiều We ourselves You yourselves They themselves Ví dụ: Tom is shaving and he cuts himself. (không phải he cuts him) (Tom đang cạo râu và anh ta cắt phải mình). The...

Ngày tải lên: 19/01/2014, 17:20

... load and constant temperature gradient ∆T. 4 Modeling and Simulation of Thermoelectric Energy Harvesting Processes Piotr Dziurdzia AGH University of Science and Technology in Cracow Poland ... Peltier effect Q c1 and Q h1 , Joule heat Q c2 and Q h2 , heat conduction Q c3 and Q h3 . In case of the Joule heat it is assumed that one half of it dissipates at the cold side and the other half ... Sustainable Energy Harvesting Technologies – Past, Present and Future 116 resistive load R L , the voltage V S forces a Peltier current I flow, and in consequence there appears a Joule heat...

Ngày tải lên: 19/06/2014, 08:20

... Circuits and Systems, vol.2, no.4, pp.251-259, 2008. 168 Sustainable Energy Harvesting Technologies – Past, Present and Future 14 Sustainable Energy Harvesting Technologies: Past, Present and Future At ... Energy Harvesting Technologies – Past, Present and Future 10 Sustainable Energy Harvesting Technologies: Past, Present and Future 4. Hybrid flexible energy harvesting and energy storage The proposed ... – Past, Present and Future 2 Sustainable Energy Harvesting Technologies: Past, Present and Future μW. Indoor light intensity in office environment is in the range of < 10 W/m 2 , compare with...

Ngày tải lên: 19/06/2014, 08:20

... Technologies – Past, Present and Future 254 The transmitter consists of one-chip microcomputer (MCU) PIC16F877A and wireless module nRF24L01P for the control, and MCU can be connected with an outside ... data by the temperature sensor with WLAN at 2.4 GHz (ISM band). An ISM band sleeve antenna is used for the transmission. Using the cellular band rectenna shown and discussed in Section 2.5.1, ... http://www.secomtel.com/UpFilesPDF /PDF/ Agilent /PDF_ DOCS/SKYDIODE/ 03_ SKYDI/HSMS2850 .PDF (Last accessed on 13 July, 2011) [6] McSpadden, J. et al., H. (1992). Theoretical and Experimental Investigation...

Ngày tải lên: 19/06/2014, 08:20

... understand) him. A. speaks/ don’t understand B. is speaking/ don’t understand C. speak/ doesn’t understand D. is speaking/ am not understanding. 10. I’m going for a walk. ___ you ___ (come) with ... come B. Do/ come C. Is/ coming D. Is/ coming. Present simple and Present continuous ( Hiện tại đơn và hiện tại tiếp diễn) Present simple Present continuous Use + Diễn tả thói quen ở hiện tại. + Chỉ ... looking/ is just talking D. Are looking/ take 6. ___ you ___ (know) why an apple ___ (fall) down and not up? A. Do you know/ is falling B. Do you knowing/ is falling C. Are you knowing/ falls D...

Ngày tải lên: 27/06/2014, 04:20

... B. is speaking/ don’t understand C. speak/ doesn’t understand D. is speaking/ am not understanding. 10. I’m going for a walk. ___ you ___ (come) with me? A. Does/ come B. Do/ come C. ... buys/win D. buy/win 9. He usually ___ (speak) so qickly that I ___ (not understand) him. A. speaks/ don’t understand ... homework. 13. What…you…(read) when you are on holiday? – I… (read) novels. Now I… (read) “Gone with the wind” by Margaret Mitchell. 14. Why…you…(look) at me like that? Have I said something wrong? 15....

Ngày tải lên: 27/06/2014, 11:20

Ngày tải lên: 07/07/2014, 01:00

Ngày tải lên: 01/08/2014, 20:20

Ngày tải lên: 01/08/2014, 20:20

Ngày tải lên: 08/08/2014, 10:22

Ngày tải lên: 08/08/2014, 13:22

... 4. The past continuous tense : ( thì quá khứ tiếp diễn ) _ Formation : ( công thức ) S + was / were + V-ing S...

Ngày tải lên: 30/10/2013, 14:11

Ngày tải lên: 31/08/2013, 01:10

... same time in the past. Eg. Mark was reading a book and Tony was watching television. BE CAREFUL!!!! The past continuous and the past simple are often used together. The past simple interrupts ... action of the past continuous. Eg. I was watching television when my friend arrived. BE CAREFUL!!!! The past continuous and the past simple are often used together. The past simple interrupts ... action of the past continuous. Eg. I was watching television when my friend arrived. The past continuous is formed: Affirmative with was/were + infinitive verb + -ing. Negative with wasn’t/weren’t...

Ngày tải lên: 31/08/2013, 01:10

... you too tired?               Past simple & Past continuous Unit 5. Past simple A Xem xét ví dụ sau: Wolfgang Amadeus Mozart was an Austrian musician and composer. He lived from 1756 ... to her but she wasn’t looking. C So sánh thì past continuous - quá khứ tiếp diễn (I was doing) và past simple - quá khứ đơn (I did): Past continuous (đang ở giữa hành động) I was walking ... enjoyed Did you enjoy? I didn’t enjoy     Past continuous A Hãy xem ví dụ sau: Yesterday Karen and Jim played tennis. They began at 10 o’clock and finished at 11.30. So, at 10.30 they were...

Ngày tải lên: 22/12/2013, 19:18

... straightforward and well-documented book provides strong direction and clear-cut answers for consumers, based on well-reasoned research and compelling evidence. His use of . . . superfruits criteria and ... entertaining and informative book. Dr. Gross is a leading expert and strong proponent of consumer education and superfruit sci- ence, and following careers as a university scientist, entrepreneur, and ... LONG-TERM WELLNESS and other vitamins from reactive oxygen radicals, which are produced continuously by both normal metabolism and exposure to smoke, ultra- violet irradiation, and environmental...

Ngày tải lên: 06/03/2014, 05:21

... I. Past simple (irregular verbs). 1. I ___________ (loose) my watch in the park. 2. David ___________ (not hurt) his knee. 3. I kicked the ball and it ___________ (break) a window. Past simple: ... lunch I ________ for a few hours, I ________ tired! H. Complete with past simple (regular verbs). 1. I opened the door and ___________ (look) inside. 2. Who ___________ (close) all the windows? ... ____________ (not dance) at the party. 5. My brother ____________ (travel) to Ireland last summer. B. Write the past simple of these verbs. 1. copy __________ 2. revise __________ 3. cycle __________...

Ngày tải lên: 27/06/2014, 21:20

... Answers: 1. I didn’t drink any beer last night. 2. She got on the bus in the centre of the city....

Ngày tải lên: 27/06/2014, 21:20