Present continuous
Procvičování:
elt.oup.com/student/project3rdedition/level2/unit2/grammar/exercise1?cc=cz&selLanguage=cs
elt.oup.com/student/project3rdedition/level2/unit2/grammar/exercise2?cc=cz&selLanguage=cs
elt.oup.com/student/project3rdedition/level2/unit2/grammar/exercise3?cc=cz&selLanguage=cs
www.tolearnenglish.com/exercises/exercise-english-1/exercise-english-12.php