What is present progressive?
action is in progress at the time a statement is being made
What’s the form?
estar+present participle
-ar
ando
-er and -ir
iendo
When the stem of an -er or -ir verb ends in a vowel, what happens to words like caer and leer?
change the i in the participle ending to a y –> cayendo and legend
Is the stem-changing implemented in Present Progressive?
Yes, but e:i and o:u
decir
diciendo
venir
viniendo
dormir
durmiendo