This quiz focuses on the present tense "I am ...ing" forms as well as on the occasional changes in spelling in both consonants and vowels when you add "...-ing" to the verb.
Vowels = a, e, i, o, u;
Consonants = all the other letters (b, c, d, f, g, h, etc.)
Examples: cut > cutting, die > dying, hope > hoping.
To know the situation and to understand how the quiz works, click here.