Stem changing verbs

Question 1

nosotros form

Answer 1

stays the same

Question 2

.

Answer 2

u becomes ue (ONE)

Question 3

.

Answer 3

e becomes ie

Question 4

.

Answer 4

o becomes ue

Question 5

.

Answer 5

e becomes i

Question 6

jugar

Answer 6

u——ue