Im not sure if im 100% correct but if u look at the end of each word it’ll tell u where it belongs.
for example prender has er at the end so it goes in the second column and sacudir has ir at the end so it goes in the 3rd column. i hope this helps you
1: estoy estudiando
2:está trabajando
3: está nadando
4: escribir
5: están comiendo
6: usando
7: está leyendo
8: hice
Answer:ten to twenty-five for Laura
12 and fourth for second answer.