Déchoir belong to the 3
rd group.																																													
																									Déchoir is conjugated the same way that verbs that end in : 
-oir
																									Déchoir is conjugated with the two auxiliaries 
être and 
avoir.
																																	Déchoir is a defective verb.
																			 It can not be conjugated in all possible forms.
																																		Déchoir verb is
									intransitive.