... L, Santos F, Castelo HB: Tracheoesophageal fistula: combined surgical and endoscopic approach Dis Esophagus 2006, 19:36-39 Baisi A, Bonavina L, Narne S, Peracchia A: Benign tracheoesophageal fistula: ... Hernandez E, Ayuso L, Valdes E, Roca A, Marco A, Garcia-Sala C: Long-term assessment of the treatment of recurrent tracheoesophageal fistula with fibrin glue associated with diathermy J Pediatr ... view and diagnosis of the gastro-tracheal fistula Gastric B - Barium in the tracheal bifurcation after esophagography Page of (page number not for citation purposes) Journal of Cardiothoracic...
... _ (have) a terrible headache yesterday It (rain) a lot lately They _ (get) married ten years ago I (go) to Balboa Park many times My family (take) a vacation last year Answers! ... Remember: Grammar has meaning! Different grammar tenses are used in different situations or contexts and they carry different meanings For example Use the simplepastfor action that happened ... than expected Example: Jan: Don’t forget to mail that letter Tom: I’ve already mailed it • We often use present perfect to say that we have never done something at any time in the past Example:...
... gym yesterday? (B) 6) They haven’t got married yet, but they will be the next (K) 7) Jack and his mum went to a fast food restaurant last week (G) 8) They have eaten too much ice-cream lately (C) ... has already measured the students at school (H) 14) Jane didn’t play outside yesterday because it was raining (M) 15) Have you put on your jacket yet? (N) The background is from http://www.graphicgarden.com/ ... KEY I 1) They have just signed the contract (M) 2) Why did the ambulance take him to the hospital two days ago? (O) 3) Mary couldn’t sleep last night because his husband was snoring (E) 4)...
... HAILSTORM HAILSTONES SNOWFALL SNOWFLAKES RAINFALL RAINDROPS SUNSHINE HURRICANE ERUPTION SANDSTORM DROUGHT FLOOD TORNADO EARTHQUAKE TIDAL WAVE PASTSIMPLE READ AND WRITE ALEXANDER GRAHAM BELL ... HE HAS HE HAS PASSED THE EXAM HAS SHE PASSED THE EXAM? NO, SHE HASN´T HE HAS BROKEN A VASE HAS HE BROKEN A VASE? Y ES, HE HAS HE HAS LOST HIS SCHOOLBAG HAS HE LOST HIS SCHOOLBAG? NO, HE HASN’T ... WITH PASTSIMPLE FORM OF THE VERBS BECOME BECAME NEIL ARMSTRONG …………… ONE OF THE MOST FAMOUS ASTRONAUTS SING SANG ELVIS PRESLEY…………… ROCK ‘N ROLL MUSIC PAINT PAINTED VAN GOGH…………… BEAUTIFULLY READ...
... He’s been married for thirty-five years (and he’s still married now) I’ve never been to Vienna My great great-grandfather had five sisters He lived in Manila fora year when he was a student Oh ... he arrived home, he unpacked and went to bed early A: What’s wrong? - B: I’ve broken a glass! My grandparents only knew each other fora few months before they got married I’ve been in London for ... Scotland? I _ (call) John for hours and hours and he hasn’t answered I’m really angry with him! I _ (be) in London for three years We _ (know) James for ages It’s really...
... (learn) English for years Hello, Tom I (look) for you all morning Why (you/look) at me like that? Stop it! We always go to Ireland for our holidays We .(go) there for years ... face and hands are very dirty You ask: (what/you/do?) A friend of yours is now living in Baker street You ask: (how long/you/live/in Baker street?) A friend tells you about ... began looking fora job months ago She’s still looking now for months Mary started working in London on January She’s still working there now since 18 January Years ago...
... subject + the base form of the verb in question forms When Did I You He She It We You They leave yesterday? Try this pastsimple quiz Tom When PastSimple Quiz ……………………(buy) a new house last month ... ………………………(they/arrive) last week? She ………………………… (not/understand) the question yesterday Fred ………………………….(take) a lot of pictures on his holiday last summer What …………………… (you/get) for your birthday? They ... They Use the conjugated helping verb 'did' + not (didn't) + the base form of the verb to make negatives I You He She It We You They didn't go to New York last week Use the conjugated helping verb...
... his neighbor in and they talked until about ten He was saying goodbye to his neighbor when the phone rang again It was his friend, who had forgotten his keys After he finished talking on the phone, ... he finished talking on the phone, his brother and sister came in They all went to see a film After they had coffee and talked about the film, they all went to bed ... At o'clock he went to his sister's house for half an hour A friend came to visit at 7.45 His friend knocked on the door while he was making dinner His friend stayed to eat dinner His...
... paved the way for these changes on a site-specific scale To test the hypothesis that dauer-induced chromatin changes can act as a ‘pacemaker’ for changes in local transcription, the authors [5] ... regulation of gene expression allows the integration of intrinsic and environmental signals in the genome and can facilitate the adaptation of organisms to changing environments through alterations ... global histone signature also extended to the genes that were altered in postdauer animals Euchromatic marks were mainly reduced at upregulated genes but less at downregulated ones and correlated...
... Schreurs AG, Rasidakis A: Comparison of formoterol and terbutaline for as-needed treatment of asthma: a randomised trial Lancet 2001, 357:257-261 Pauwels RA, Sears MR, Campbell M, Villasante C, Huang ... Inhalers containing placebo or active medication had an identical appearance The primary (FEV1) and secondary parameters (mean forced expiratory flow between 25% and 75% of forced vital capacity ... was performed using data from a repeated cold air and exercise challenge study [29] With an assumed standard deviation of 6.8% for the fall in the third AMP provocation anda power of 80%, a...
... activities, cultural features and handicrafts were born Since Vietnam Village associates with agricultural areas and seasonal characteristics, many handicrafts were born Initially, the craft was only to ... street are produced by native people of Dai Bai and native people of Hanoi b Family annals of Hanoi native and Dai Bai native people (1) Hanoi native The interview about family annals of Hanoi native ... craftsmen and skilled workforce 2) Traditional tools 3) Processing of natural available materials on-site According to authors Vu Quoc Tuan for the formation of traditional handicraft, Vietnam traditional...
... Robin must have gone to the restaurant without us Note that could have has the same meaning as might have and may have Why is Tom late? He may / might / could have got stuck in traffic However, ... have escaped! How did they get out?’ ‘They can’t have got out under the gate I fixed that yesterday.’ NOTE: you cannot use: mustn’t have + past participle verb to make deductions about the past ... negative form the meaning is not the same Why is Tom late? He may / might not have got your message (NOT could not) = Maybe he didn’t get your message Couldn’t have has the same meaning as can’t...
... (1999) classification into two main categories: shang in NPs and shang in VPs The essence of this new classification is that shang could be analyzed as a whole, and the data of shang will reveal the ... lower place to a higher place Moving forward Add Appear (in sport games) Assemble Paint and apply Publish Screw Go to class or go to work Reach Type e: shang has a dynamic trend Verb + shang (+ ... people’ shang shen up shang as an adjective body ‘upper body’ shang shan up shang as a verb the mountain ‘climb up the mountain’ Grammatical function chuan shang wear Verb + shang up Languages...