present perfect past tense exercises pdf

Module 6: Present Perfect & Past Simple

TChon 15 PRESENT PERFECT AND PAST SIMPLE TENSE.doc

... milk.7. He has two modern cars. He be rich.8. My eyes are weak. I wear glasses.5. Give the correct tenses of the verbs in brackets:1. I’m sorry you’re leaving. I hope you ….…… …………………………… (come)...

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Hiện tại Hoàn thành và Quá khứ Present Perfect vs Past Simple pdf

Danh mục: Anh ngữ phổ thông

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The present perfect tense

Danh mục: Tiếng anh

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EXESRCISES ON PAST SIMPLE OR PRESENT PERFECT

Danh mục: Tiếng anh

... SentencesPut the verbs into the correct tense (simple past or present perfect simple).10 Put the verbs into the correct tense (simple past or present perfect simple).1. He (leave / just) his ... 10. B: I (be / not) to Australia yet. Simple Past or Present Perfect SimpleExercise 3Put the verbs into the correct tense (simple past or present perfect simple).1. A: (you / be / ever) to ... but we (have / not) time to talk then. Simple Past or Present Perfect SimpleExercise 2Put the verbs into the correct tense (simple past or present perfect simple).1. A: I (cycle / just) 50 km....

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the present perfect tense + exercise

Danh mục: Tiếng anh

... features of the mass media.- Prepare for the next lesson.Part C. listening 3. The present perfect tense in passive voiceE.g. I have prepared this lesson.This lesson has been prepared ... =>make =>live =>come =>stop =>worry =>Write the – PAST PARTICIPLE FORM (PP) of these verbs.Write the – PAST PARTICIPLE FORM (PP) of these verbs. gonemadelivedcomestoppedworried ... new car has been bought by Mary.=> That film hasn’t been seen (by them). ExamplesWhich tense is used in the following sentences?1. He has lost his key.2. I have seen this film several...

Tense consolidation - Present perfect

Danh mục: TOEFL - IELTS - TOEIC

... unitBack NextPrevious unit Advanced Language PracticeUnit 4 Tense consolidation: present perfect Present perfect simple1 Present perfect simple refers to:Recent events, without a definite ... recently.ExitContents Exercises Next unitBack NextPrevious unit Advanced Language PracticePut each verb in brackets into either the past simple, present perfect simple or present perfect continuous.Ever ... Practice Present perfect continuous1 Present perfect continuous (progressive) can refer to a range of meanings,depending on the time expression used and the context. A state which lasts up tothe present...

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Tài liệu Present perfect and past doc

Danh mục: Kỹ năng nói tiếng Anh

... has 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 ... quá khứ ( present perfect và past 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 ... 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....

Sustainable Energy Harvesting Technologies Past Present and Future Part 7 pdf

Danh mục: Kĩ thuật Viễn thông

... Energy Harvesting Technologies – Past, Present and Future 120 ()23__ _ca cthhsthAlO thCuTTQR R R=+ + + (19) Rth_hs is the thermal resistance represented by a heat sink and it takes ... Harvesting Technologies – Past, Present and Future 110 about tens of mV resulting from very small temperature gradients, equaling to single Celsius degrees. In fact, some presented prototypes ... thermal conductivity λ. 2Zαρλ= (1) Sustainable Energy Harvesting Technologies – Past, Present and Future 124 5.1 Examples of simulations Output voltage VS from the TEG for...

Sustainable Energy Harvesting Technologies Past Present and Future Part 9 pdf

Danh mục: Kĩ thuật Viễn thông

... pp.251-259, 2008.168Sustainable Energy Harvesting Technologies – Past, Present and Future 14 Sustainable Energy Harvesting Technologies: Past, Present and FutureAt 400 lux, the maximum power that the ... aqueous156Sustainable Energy Harvesting Technologies – Past, Present and Future 12 Sustainable Energy Harvesting Technologies: Past, Present and FutureFig. 13. Voltage across PV panelFig. ... W/m2.162Sustainable Energy Harvesting Technologies – Past, Present and Future 10 Sustainable Energy Harvesting Technologies: Past, Present and Future4. Hybrid ﬂexible energy harvesting and...

Sustainable Energy Harvesting Technologies Past Present and Future Part 14 pdf

Danh mục: Kĩ thuật Viễn thông

... 101-106, Kyoto, Japan, March, 2010 [5] 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). ... are presented in this section. The inequality Vin≪Vout defines the boost operation. In this Chapter, our boost converter concept is illustrated in Fig. 20. A small voltage, Vin is presented ... rectenna circuit. This has the benefit of ensuring Sustainable Energy Harvesting Technologies – Past, Present and Future 256 The voltage of the capacitor decreases to 2V when 3.2mW is consumed...

Unit 8. Present perfect (2) pdf

Danh mục: Kỹ năng nói tiếng Anh

... cho cô bạn gái của anh ấy. Đó là lần thứ ba anh ấy gọi điện cho cô ấy chiều nay. Unit 8. Present perfect (2) A Hãy xem mẫu đối thoại dưới đây: Dave: Have you travelled a lot, Jane? Bạn ... chúng ta đề cập tới một khoảng thời gian liên tục từ quá khứ đến hiện tại, chúng ta dùng thì present perfect (have been/ have travelled …) Ở đây Dave và Jane đang nói về những nơi mà Jane đã đến ... hoặc He has never driven a car before. Trước giờ anh ấy chưa bao giờ lái xe. Linda has lost her pastport again. It’s the second time this has happened. (not “happen”) Linda lại làm mất hộ chiếu....

Unit 13. Present perfect and past (1) doc

Danh mục: Kỹ năng nói tiếng Anh

... 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 ... 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. ... 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 không có sự liên hệ với hiện tại (chẳng hạn những sự việc đã xảy...