Rule XI: "z => s" substitution

	XI.	Abbreviation:	z => s
		Description:	substitution of consonant "z" for "s", if the verb primitive ends on consonant "z".
		Example verb:	16.	reizen (weak verb)
			17.	lezen (strong verb)
		Application:	-	the verb primitive ends on "z".

		Applies for (weak verbs):
			OTT (Present):	Singular I, II, III
			OVT (Past):	all forms
			Imperatief:	always
			Voltooid Deelwoord (Past Participle):	always
		Applies for (strong verbs):
			OTT (Present):	Singular I, II, III
			OVT (Past):	Singular I, II, III
			Imperatief:	always
			Voltooid Deelwoord (Past Participle):	-
		Example:
			OVT (Past):	weak: "reizen" => "ik reisde, jullie reisden", not "ik reizde, jullie reizden"
			OVT (Past):	strong: "lezen" => "ik las, jullie lazen", not "ik laz, jullie lasen"
		Detection:	Verbtime detects these verbs automatically.

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also see:
Overview - Verb irregularities