9.3 Provide the Missing Principal Parts

Fill in the missing principal parts. For second conjugation verbs, use the key at the bottom to insert the long a, e, i, o, and u of the infinitive. Click "Check" to see how you did, or click "Hint" to receive the next letter in an answer.
crēdō
fīniō
fugiō
incipiō
petō---
petiī------
praebeō
relinquō
serviō---
serviī (+ dat.)------