42891 past simple present perfect for aviation

Simple Past or Present Perfect? Simple Past For actions that happened and finished in the past For actions that happened in the past and we know exactly when With yesterday, then, ago, last night/week …, in 2001 Present Perfect For actions which started in the past and continue up to now For actions that happened in the past but we don’t know the exact time With for, since, ever, never, yet, already, so far, how long… Use simple Past or Present Perfect: ……………….Helen ever …………………… (try) de-icing an aircraft? ………………… you ……………………… (go) to the meeting last night? I ……………… never …………………………(be) to Seattle This year I ………………….………… (fly) to Athens times so far Paul and Judith …………………………………(be) working for Swiss since 1998 …………… you ………………………….(finish) your flightplan yet? Last night my flight instructor………………………… (come) by She ………………………(tell) us that this summer they are going to buy a new twin-engined aircraft I ……………………………….(visit) many different countries so far Last summer I ……………………… (go) to Italy and years ago I ………………………… (be) in Spain I ……………………………………(not/visit) Germany yet When ………………you …………………………(come) to work in Switzerland? 10 I……………………(come) in 2007 11 ………………… you ……………………(watch) the film about the new Dreamliner? 12 They…………………… already ……………………… (leave) the Gate 13 How long ………………… you ……………………… (know) about the new English ICAO Level exams? 14 I (know) in 2009, so I ……………………………(know) about it for years 15 What …………………………….(happen) at Skyguide last night? 16 …………… you ……………………… (read) “if clouds could talk” when you were on holidays?