Pouvoir has its own conjugation pattern.
The variant "puis" (1st person singular of indicative present) is used in questions: Puis-je vous aider?
This form can also be used in affirmative and negative sentences in some context: je puis venir, je ne puis vous dire.
The verb se pouvoir is only used as an impersonal verb in 3rd peson: il se peut.
To see other models, refer to Model Table
Based on the ending, you can identify features that different verbs have in common. Click on the verbs above to see their conjugation tables and explore their conjugation patterns.