Essayer is a french first group verb. So it follow the regular conjugation pattern of the first group like: aimer.Follow this link to see all the endings of the conjugation of the first group verbs: conjugation rules and endings for the first group verbs. However, although the terminations are perfectly regular, stem can be irregular and have numerous variations.
Some French verbs are easier to conjugate than others. Unfortunately, sourire is not one of the easy ones. That's because it's an irregular verb and it does not follow any common rules. However, a verb such as rire does share the same endings. If you study smiling and laughing at the same time, both will be just that much easier to remember.Faiblir is a french second group verb. So it follow the regular conjugation pattern of the second group like: finir.Follow this link to see all the endings of the conjugation of the second group verbs: conjugation rules and endings for the second group verbs. Faiblir is conjugated the same way that verbs that end in: -ir.The prototypical verb for the second conjugation is finir.Croire, to the contrary, is one of those highly irregular French verbs with conjugations so unusual and unwieldy that they don't fall into any pattern. They are so irregular, you have to memorize them to use them correctly. These very irregular -re verbs include: absoudre, boire, clore, conclure.
Conjugation of french verb accroire in negative form in all tenses and moods.