stem change verbs

Question 1

what are the main forms of verbs that have a change in persons 1,2,3 and 6?

Answer 1

1. verbs with an accent aigu
2. some verbs that end e…er
3. verbs with two sets of consonants i.e. appeler
4. verbs that end in …yer

Question 2

when, if so, are there stem changes in the present tense?

Answer 2

1, 2, 3 and 6

Question 3

when, if so, are there stem changes in the perfect past?

Answer 3

never

Question 4

when, if so, are there stem changes in the imperfect past?

Answer 4

never

Question 5

when, if so, are there stem changes in the conditional?

Answer 5

always

Question 6

when, if so, are there stem changes in the future tense?

Answer 6

always

Question 7

when, if so, are there stem changes in the subjunctive mood?

Answer 7

1, 2, 3 and 6

Question 8

what stem change do e…er verbs undergo?

Answer 8

the e changes to è

Question 9

what stem changes do é…er verbs undergo?

Answer 9

the é changes to è

Question 10

what stem changes do double consonant verbs undergo?

Answer 10

the last set of consonants changes from a single to a double

Question 11

what stem changes do …yer verbs undergo?

Answer 11

the y changes to an i

Question 12

with which preceding vowels is the …yer stem change necessary?

Answer 12

oyer and uyer