Dal passato al presente
Contrasto present perfect simple e past simple 3 ■ Completa l'articolo con i verbi tra parentesi. Usa it present perfect simple e it past simple.
5/7/2011
THE E-BOOK REVOLUTION Mike Walker reports: When an American manufacturer  launched  (launch) (0) the first e-book reader in 2007, it . (be) (1) an immediate success. Since then several other companies . (bring) (2) out similar products and millions of people (buy) (3) an e-book reader, with the result that to date (= finora) they . (become) (4) one of the most popular products in the electronic sector. But just how much (the e-book reader/change) (5) the way we read today? There is no doubt that for millions of proud owners these devices   (have) (6) a profound effect on their reading habits. Their main attraction is their portability. Now avid readers can download books at the touch of a button and take them with them wherever they go. Indeed, when my e-book reader . (arrive) (7) in the post last month, I immediately   (load) (8) it up with e-books that .   (be) (9) free because they are no longer copyrighted and within a couple of hours I .  (have) (10) aversions of the complete works of Shakespeare, The Divine Comedy Middlemarch and other favourite classics. Another important feature that most manufacturers . (include) (11) in their e-book readers is the ability to change type size (= la grandezza dei caralteri). I (always/have to (12) use reading glasses when reading but now with my e-book reader I can just enlarge the type size and forget my glasses.
Present perfect simple e present perfect continuous 4 ■ Quale frase descrive meglio ogni figura?
1 a) She's written all her Christmas cards. b) She's been writing Christmas cards all morning.
3 a) The kitchen looks lovely because they've recently fitted new cupboards. b) The kitchen looks lovely because they've been fitting new cupboards.
2 a) Someone has cooked. b) Someone has been cooking.
4 a) He's read a book. b) He's been reading a book.
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