past perfect and past perfect continuous worksheet pdf

TChon 15 PRESENT PERFECT AND PAST SIMPLE TENSE.doc

TChon 15 PRESENT PERFECT AND PAST SIMPLE TENSE.doc

Ngày tải lên : 08/07/2013, 01:27
... 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 ... seventeen. In the play, she must appear in a 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 ... 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....
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Tài liệu Present perfect and past doc

Tài liệu Present perfect and past doc

Ngày tải lên : 19/01/2014, 17:20
... been”) Vậy thì ai làm nhỉ.      Present perfect and past (2) Unit 14. Present perfect and past (2) A Chúng ta không dùng thì present perfect (I have done) khi nói về một thời điểm ... khứ ( present perfectpast simple) qua các câu sau: Present perfect (have done) I’ve done a lot of work today. Hôm nay tôi đã làm nhiều việc. Chúng ta dùng thì present perfect khi đề ... viết sách). C Chúng ta dùng thì present perfect để đưa ra những thông tin mới (xem UNIT 7). Nhưng nếu chúng ta tiếp tục nói về điều đó, chúng ta dùng thì past simple: A: Ow! I’ve burnt myself....
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Unit 13. Present perfect and past (1) doc

Unit 13. Present perfect and past (1) doc

Ngày tải lên : 22/06/2014, 21:20
... làm nhỉ. He lost his key (past simple) but now he has found it ( present perfect) . Anh ấy đã làm mất chìa khóa nhưng bây giờ anh ấy đã tìm ra. Thì present perfect là thì hiện tại hoàn ... sách). C Chúng ta dùng thì present perfect để đưa ra những thông tin mới (xem UNIT 7). Nhưng nếu chúng ta tiếp tục nói về điều đó, chúng ta dùng thì past simple: A: Ow! I’ve burnt myself. ... They went out after lunch and they’ve just come back. (= they are come back now). Sau bữa trưa họ đã đi ra bên ngoài và bây giờ họ vừa quay về. B Thì present perfect không được dùng nếu...
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Unit 14. Present perfect and past (2) doc

Unit 14. Present perfect and past (2) doc

Ngày tải lên : 22/06/2014, 21:20
... khứ ( present perfectpast simple) qua các câu sau: Present perfect (have done) I’ve done a lot of work today. Hôm nay tôi đã làm nhiều việc. Chúng ta dùng thì present perfect khi đề ... Ví dụ như: Today, this week, since 1985. Past simple (did) I did a lot of work yesterday. Hôm qua tôi đã làm nhiều việc. Chúng ta dùng thì simple past khi đề cập tới một thời điểm đã kết thúc ... Luân đôn. Anh ấy đã sống ở đó được bảy năm rồi. Lan lived in Scotland for ten years. Now he lives in London. Ian đã sống ở Scotland được mười năm. Bây giờ anh ấy đang sống ở Luân đôn. I have...
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present perfect and present perfect continuous

present perfect and present perfect continuous

Ngày tải lên : 02/03/2014, 15:18
... hiện tại anh ta không nhất thiết phải đang ở Hà nội) . Present Perfect (Thì Hiện tại hoàn thành) and Present Perfect Continuous (Thì Hiện tại hoàn thành tiếp diễn) ·Dùng với: now that ... you been crying for long time? Mắt của em đỏ. Có phải em đã khóc rất lâu không? Present Perfect Continuous Công thức: Subject + have/has + been + V-ing Trong đó:  Have: dùng với các ngôi: ... have written our reports already. Chúng tôi đã viết xong báo cáo Present Perfect Công thức: Subject + have/has + PP (PP: past participle – quá khứ phân từ) trong đó :  Have: dùng với các ngôi:...
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EXESRCISES ON PAST SIMPLE OR PRESENT PERFECT

EXESRCISES ON PAST SIMPLE OR PRESENT PERFECT

Ngày tải lên : 15/09/2013, 00:10
... Sentences in Present Perfect Simple 1. Bob / visit / his grandma 2. Jimmy / play / on the computer 1 Questions Put the verbs into the correct tense (simple past or present perfect simple). 1. ... restaurant three times yet. And on my mum's birthday, we (order) some sushi and (have) it at home. Form Write down the correct form (pronoun + verb). Simple Past Present Perfect Simple she / ... 10. B: I (be / not) to Australia yet. Simple Past or Present Perfect Simple Exercise 3 Put the verbs into the correct tense (simple past or present perfect simple). 1. A: (you / be / ever) to...
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The Simple Past Tense and The Past Continuous Tense

The Simple Past Tense and The Past Continuous Tense

Ngày tải lên : 30/10/2013, 14:11
... 4. The past continuous tense : ( thì quá khứ tiếp diễn ) _ Formation : ( công thức ) S + was / were + V-ing S...
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Đề tài " Classical and modular approaches to exponential Diophantine equations I. Fibonacci and Lucas perfect powers " pdf

Đề tài " Classical and modular approaches to exponential Diophantine equations I. Fibonacci and Lucas perfect powers " pdf

Ngày tải lên : 06/03/2014, 08:21
... and (ii) are treated in Sections 5 and 6, respectively. Sections 7 and 8 are devoted to step (iii). Sections 9 and 10 are concerned with Steps (iv) and (v). Section 11 deals with steps (vi) and ... Classical and modular approaches to exponential Diophantine equations I. Fibonacci and Lucas perfect powers By Yann Bugeaud, Maurice Mignotte, and Samir Siksek* CLASSICAL AND MODULAR ... real case: 1 , 2 and 3 are real numbers > 1, and the logarithms of the α i ’s are real (and > 0), ã the complex case: 1 , 2 and 3 are complex numbers of modulus one, and the logarithms...
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Unit 5: Possibility and Probability Perfect Modals pdf

Unit 5: Possibility and Probability Perfect Modals pdf

Ngày tải lên : 07/03/2014, 07:20
... has a lot of exams coming up soon, and he is also working on a term paper. He must have been studying at the library. Unit 5: Possibility and Probability Perfect Modals I. Possibility: May, ... room are turned off. She must be sleeping. (right now).  Past time: MODAL + have been + v-ing Meaning: in progress at a time in the past. ã Ex 1 : Sue wasn’t at home last night when we went ...  In negative sentences both must not and don’t have to (also don’t need to and need not) are used. Must not is used when the speaker expects or orders...
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Sustainable Energy Harvesting Technologies Past Present and Future Part 7 pdf

Sustainable Energy Harvesting Technologies Past Present and Future Part 7 pdf

Ngày tải lên : 19/06/2014, 08:20
... 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...
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Sustainable Energy Harvesting Technologies Past Present and Future Part 9 pdf

Sustainable Energy Harvesting Technologies Past Present and Future Part 9 pdf

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 ... Technologies – Past, Present and Future Wearable Energy Harvesting System for Powering Wireless Devices 5 Barbic et al. (1999), rated voltage at about 1.5 V and capacity of ≈ 30 mAh) in prototype and to...
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Sustainable Energy Harvesting Technologies Past Present and Future Part 14 pdf

Sustainable Energy Harvesting Technologies Past Present and Future Part 14 pdf

Ngày tải lên : 19/06/2014, 08:20
... 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 ... 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, at least 3.14 ... Harvesting 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...
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Sự khác nhau giữa Present Perfect và Present perfect continuous pdf

Sự khác nhau giữa Present Perfect và Present perfect continuous pdf

Ngày tải lên : 27/06/2014, 19:20
... Hanoi since 1990 I've always left safe here Sự khác nhau giưã Present Perfect và Present perfect continuous: Present perfect (nếu không có time express ):  Bày tỏ sự chấm dứt cuả một hành ... ) 3) Past Perfect (quá khứ hoàn thành ): [S+ had + V3 ] a. Chức năng:  Diễn tả một hành động xảy ra trước một hành động khác trong quá khứ. Trong câu thường có 2 hành động: Dùng Past perfect ... một sự việc xảy ra kéo dài từ quá khứ đến hiện tại. Nhưng present perfect continuous nhấn mạnh yếu tố liên tục, còn present perfect là cách nói bình thường, không nhấn mạnh. Thật ra trong đa...
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