Present

  

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-
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-

-
-
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-

Imperfect

  

-
-
-
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-
-

Pluperfect

  

-
-
-
-
-
-

-
-
-
-
-
-

-
-
-
-
-
-

-
-
-
-
-
-

-
-
-
-
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-

Present

  

-
-
-
-
-
-

Past

  

-
-
-
-
-
-

Imperfect

  

-
-
-
-
-
-

Pluperfect

  

-
-
-
-
-
-

Present

  

-
-
-
-
-
-

Past

  

-
-
-
-
-
-

Present

  

-
-
-

Past

  

-
-
-

Present

 
issir

Past

 
-

Issir french verb

Issir belong to the 3rd group.
Issir is conjugated the same way that verbs that end in : -ir
Issir is conjugated with auxiliary avoir.
Issir is a defective verb. It can not be conjugated in all possible forms.
Issir verb is intransitive.
Issir is a defective verb. It can not be conjugated in all possible forms.
Here are several examples of defectives verbs: bruire, distraire, traire, extraire, soustraire, paître.

Finally, the interrogative form does not exist in subjunctive and imperative.
Conjugation engine options
Reflexive form:
Voice:
Auxiliary:
Gender:
Negative form:
Interrogative form:
Colors:

Here is the full list of verbs sharing the same verb conjugation :

List of verbs used as patterns in french conjugation:

French Auxiliaries Verbs


Most common first group verbs


Most common second group verbs


Most common third group verbs