simple present and simple past tense exercises pdf

... watch has Where does his sister live? doesn’t rain closes ,'! REVIEW: Simple present and simple continuous tense â Copyright: Thudominh 7&!!+%"!%+!8!%'&% 1. ... t mt hnh động đang xảy ra ở hiện tại nhưng không nhất thiết ở lúc nói. He is teaching French and learning Greek. ã Din t mt hnh ng ó sp xp thc hiện trong tương lai gần. We are going to Đalat...

Ngày tải lên: 27/06/2014, 18:20

Ngày tải lên: 11/07/2014, 04:20

... FRIENDS Period 1: REVISION ON SIMPLE PRESENT AND PRESENT PROGRESSIVE TENSES A. Theory: 1.Review on tenses: Tenses Affirmation Negation Interrogation With Present simple S + am/ is/ are S + V(s/es) S ... 6. You look very happy today. f. I’d love to. 6 - III. Put the verbs into present simple and present progressive tenses: 1. Vegetarians (not eat) meat. ………………………………………………………… 2. What you ... of) 3.He was busy yesterday and ……. was I. (too/ either/ so/ neither) 4. What does she look like? - She’s …… (interesting and sense of humor/ generous and helpful/ tall and thin) 5. I received a...

Ngày tải lên: 09/07/2013, 01:26

... ạ Bình_ B c Ninhắ Present Simple and Present Continuous By Nguyen Trong Long tronglongnguyen@yahoo.co m 09/16/13 Nguyễn Trọng Long_Vạn N inh_ Gia Bình_ Bắc Ninh We use the present simple for things ... this tense we need to add to the verbs the termination “s, es” in third person (he, she, it) ã I exercise in the mornings. I go to the gym every day. ã The stores open at 9:00 a.m. And close ... 09/16/13 Nguy n Tr ng Long_V n Ninh_ Gia ễ ọ ạ Bình_ B c Ninhắ Answer these questions and then practice with a classmate and take his/her notes. Answers ã What do you do in your free time? ___________________ ã ...

Ngày tải lên: 16/09/2013, 07:10

Ngày tải lên: 08/08/2014, 07:20

... 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: 08/08/2014, 13:22

... simple past: yesterday, last ______, past dates (in 1990), _____ ago, etc. Simple Past vs. Past Continuous Using both tenses together: Sometimes we use both the simple past and the past ... Grammar, and then go down the page to Verbs. Click on activities for Simple Past and Past Continuous. These activities give excellent explanation and practice. We can use 2 verbs in past continuous ... Important Note about Past Continuous! Some verbs are NOT typically used in the continuous tense. Instead, we prefer to use these verbs in the simple tenses (simple present or past) . These verbs...

Ngày tải lên: 18/09/2013, 03:10

... one! Save Talk to your partner. Which of the answers is the right one? Saveed saved sayved Past tense Things that have already happened! Start Lets say that together! ã Take of the e ã Add ... watched! Remember add ‘ed’ Move on. Don’t forget: These rules help us to write about things in the past. ãI helped my mum do the shopping ã We looked at the animals in the zoo ãThey baked a birthday...

Ngày tải lên: 24/11/2013, 10:11

... để nhấn mạnh ý phủ định (mạnh hơn cả khi nói ở dạng đầy đủ) - Thí dụ: + HE DIDN'T UNDERSTAND WHAT YOU SAID = Anh ấy đã không hiểu những gì bạn nói. + I NEVER PROMISED YOU ANYTHING. = Anh ... slept speak = nói spoke spoken spend = xài, trải qua (kỳ nghỉ, quảng thời gian) spent spent stand =đứng stood stood swim = bơi, lội swam swum take = lấy, nhận (tra từ điển thêm) took taken ... biết told told think = nghĩ, suy nghĩ thought thought throw = quăng, vứt threw thrown understand = hiểu understood understood wake = thức dậy woke woken wear = mặc(quần áo),đội(nón), xức (nước...

Ngày tải lên: 23/12/2013, 06:18

... trong câu quyết định thì của câu, tức là nó cho biết thời điểm xảy ra hành động. Simple Present Tense Simple Present là thì hiện tại đơn. Các câu và cách chia động từ TO BE chúng ta đã học ... vào buổi sáng at office : ở cơ quan  Simple present tense (Thì hiện tại đơn giản) Khi nói và viết tiếng Anh còn phải quan tâm đến các thì (tense) của nó. Động từ là yếu tố chủ yếu trong...

Ngày tải lên: 19/01/2014, 17:20

... waiting. We’ve been waiting for an hour.         Present perfect continuous and simple Unit 10. Present perfect continuous and simple A Nghiên cứu ví dụ sau: Ann’s clothes are covered ... working . Đừng quấy rầy tôi bây giờ. Tôi đang làm việc. Present perfect continuous & Present perfect continuous and simple Unit 9. Present perfect continuous A It has been raining. Xem ... problem and she thinks that … Mình vừa mới đề cập đến vấn đề của Carol và cô ấy nghĩ là … B It has been raining for two hours. Xét ví dụ sau: It is raining now. It began raining two hours ago and...

Ngày tải lên: 19/01/2014, 17:20

... Harvesting Technologies – Past, Present and Future 120 ( ) 23 __ _ca cthhsthAlO thCu TTQR R R=+ + + (19) R th_hs is the thermal resistance represented by a heat sink and it takes into account ... relating to the thermal domain and represent heat powers Q c at the cold side (15), and Q h at the hot one (16), while the last one comes from the electrical domain and represents an electrical ... operation and are crucial for comprehensive understanding of heat to electric energy conversion. After that an analytical description of the heat flux and power generation in TEMs is presented,...

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 ... aqueous 156 Sustainable Energy Harvesting Technologies – Past, Present and Future 12 Sustainable Energy Harvesting Technologies: Past, Present and Future Fig. 13. Voltage across PV panel Fig. 14....

Ngày tải lên: 19/06/2014, 08:20

... 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 ... 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 ... integrated rectenna and DC-DC boost converter circuits. 1.6.1 DC-DC boost converter design theory and operation The DC-DC boost converter design theory and actual implementation are presented in...

Ngày tải lên: 19/06/2014, 08:20

... historical and implied volatility, and high historical and implied volatility. O Stationary means decreasing absolute price movement, low absolute price movement, decreasing historical and implied ... under- lying, and while there is less potential profit, there is also less risk. Using the preceding set of Marks and Spencer April options, you could pay 6.75 for one 360 call and pay 6.25 ... levels. Consider the following April options on Marks and Spencer: Marks and Spencer at 350.60 30 days until April expiry Contract multiplier is £1,000 Table 11.1 Marks and Spencer April options Strike 310.00...

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 ... leads to traders trying to meet short-term targets, and then to over- trading, and then to racking up commissions, and then to taking undue risk, and then sometimes to a blowout. This is because ... understanding this. 174 Part 3  Thinking about options the event as falling within the range of expectations, and having no sig- nificance beyond a few trading sessions. More troublesome, and...

Ngày tải lên: 21/06/2014, 00:20

... They’ve played tennis three times this week. Unit 10. Present perfect continuous and simple Unit 10. Present perfect continuous and simple A Nghiên cứu ví dụ sau: Ann’s clothes are covered ... hoàn tất hay chưa. Ở ví dụ trên, hành động sơn tường chưa kết thúc. Has painted là thì present perfect simple (thì hiện tại hoàn thành): Ở thì này, điều quan trọng là sự hoàn thành của hành ... nhà trước đây màu trắng. Bây giờ nó màu xanh. Cô ấy đã sơn trần nhà. Has been painting là thì present perfect continuous (thì hiện tại hoàn thành tiếp diễn): Ở đây chúng ta quan tâm đến hành...

Ngày tải lên: 22/06/2014, 21:20

Ngày tải lên: 27/06/2014, 21:20

Ngày tải lên: 27/06/2014, 21:20