Keys Grammar1. C1

Grammar 1
Corrections and Keys
En la página 4 en el ejemplo 2. La frase correcta sería “We’ve just met your friends”
Execise 1
Comment during tutorship
Excericise 2
Already, ever, yet, since, since, just
Exercise 3
Hit, have already lost, handed in, has just risen, had already increased
Exercise 4
Ever, starred, appeared, Since, has been, already, was, got, was not, became, began,
Since, has been, has already made, has just started
Exercise 5
For, since, since, for, since, for, since, for, for, for
Exercise 6
For how long- for
Since when- since
Since when- since
For how long- for
Exercise 7
Had, has, would have, have, will have
Exercise 8
Las soluciones aparecen en interfaz pero hay algunos errores, aquí os pongo la
soluciones correctas
Had repaired
Has// had done (depends on the context)
Have checked
Had evacuated
Had changed
Have repaired
Have tested
Had disinfected
Have treated
Has done
Have cleaned
Had searched
Had double-glazed
Had framed
Having put
Exercise 9
Soluciones en interfaz