From 5f6be5e051cab5c4b3936277832b3bbc2b961dc1 Mon Sep 17 00:00:00 2001
From: Ngô Ngọc Đức Huy <huyngo@disroot.org>
Date: Fri, 29 Oct 2021 16:57:32 +0700
Subject: Add verb morphology

---
 src/morph/verb.md | 123 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 123 insertions(+)

diff --git a/src/morph/verb.md b/src/morph/verb.md
index d1c4dc3..b23b8be 100644
--- a/src/morph/verb.md
+++ b/src/morph/verb.md
@@ -1 +1,124 @@
 # Verbal
+
+Verbs conjugation are based on tense, subject, and time in day.
+
+There are three verb tenses: past, present, and future.  Aspects and mood are
+separately shown on adverbs, which can often be omitted.  Verbs conjugate the
+same for present tense throughout the day.
+
+In the following subsection, conjugations are grouped by the pronouns:
+
+- <b><i>te</i></b> and <b><i>mi</i></b> each has its own conjugation
+- <b><i>vo</i></b>: <i>vo</i>, <i>yo</i> and singular animate nouns
+- <b><i>yat</i></b>: <i>yat</i> and singular inanimate nouns
+- <b><i>mite</i></b>: <i>seté</i>, <i>mite</i> and <i>chomí</i>
+- <b><i>chovö</i></b>: <i>chovö</i> and plural animate nouns
+- <b><i>boyät</i></b>: <i>boyät</i> and plural inanimate nouns
+
+When conjugate for singular subject, the first non-prefix vowel is umlauted if
+possible.
+
+## Infinitive
+
+Infinitive verbs in Ravna have 3 possible endings:
+
+- <b><i>-yan</i></b>: the "default" ending—as most verbs end in <i>-yan</i>,
+    a new verb would also end in this.
+- <b><i>-vet</i></b>: much fewer verbs has this ending, but all verbs having
+    this ending are regular.
+- <b><i>-nis</i></b>: only auxiliary verbs end in this, which are irregular,
+    but it share some patterns with the other two endings.  Time of the day
+    also doesn't factor in how they are conjugated.
+
+## Morning
+
+Morning is the time from sunrise to noon.  A verb describing action starting in
+the morning is conjugated like below.
+
+Example 1: <i>fiyan</i> (to live)
+
+| pronoun | present | past   | future |
+|---------|---------|--------|--------|
+| te      | fi      | fiya   | fiyo   |
+| mi      | fid     | fida   | fiyod  |
+| vo      | fiz     | fiza   | fiyoz  |
+| yat     | fir     | fira   | fiyor  |
+| mite    | fiyon   | fiyona | fiyonq |
+| chovö   | fison   | fisona | fisonq |
+| boyät   | filon   | filona | filonq |
+
+Example 2: <i>karvet</i> (to shine)
+
+| pronoun | present | past   | future |
+|---------|---------|--------|--------|
+| te      | kärvos  | kärvo  | kärvon |
+| mi      | kärtos  | kärto  | kärton |
+| vo      | kärzos  | kärzo  | kärzon |
+| yat     | kärros  | kärro  | kärron |
+| mite    | karvom  | karova | karvas |
+| chovö   | karsom  | karosa | karsas |
+| boyät   | karlom  | karola | karlas |
+
+Example 3: <i>ponis</i> (to be able, can)
+
+| pronoun | present | past   | future |
+|---------|---------|--------|--------|
+| te      | pö      | pöra   | pöron  |
+| mi      | pet     | peta   | petod  |
+| vo      | pas     | pasa   | pasoy  |
+| yat     | pir     | pira   | piror  |
+| mite    | pöron   | pörona | pöronq |
+| chovö   | pason   | pasona | pasonq |
+| boyät   | paron   | parona | paronq |
+
+## Afternoon
+
+Example 1: <i>fiyan</i> (to live)
+
+| pronoun | past   | future |
+|---------|--------|--------|
+| te      | finey  | fiye   |
+| mi      | fined  | fiyed  |
+| vo      | finez  | fiyez  |
+| yat     | finer  | fiyer  |
+| mite    | fiyone | fiyenq |
+| chovö   | fisone | fisenq |
+| boyät   | firone | firenq |
+
+Example 2: <i>karvet</i> (to shine)
+
+| pronoun | past   | future |
+|---------|--------|--------|
+| te      | kärve  | kärven |
+| mi      | kärte  | kärten |
+| vo      | kärze  | kärzen |
+| yat     | kärre  | kärren |
+| mite    | karove | karves |
+| chovö   | karose | karses |
+| boyät   | karole | karles |
+
+## Night
+
+Example 1: <i>fiyan</i> (to live)
+
+| pronoun | past   | future |
+|---------|--------|--------|
+| te      | fin    | finni  |
+| mi      | findi  | fiyid  |
+| vo      | finzi  | fiyiz  |
+| yat     | finri  | fiyir  |
+| mite    | fiyne  | fiyinq |
+| chovö   | fisne  | fisinq |
+| boyät   | firne  | firinq |
+
+Example 2: <i>karvet</i> (to shine)
+
+| pronoun | past   | future |
+|---------|--------|--------|
+| te      | kärvi  | kärvin |
+| mi      | kärti  | kärtin |
+| vo      | kärzi  | kärzin |
+| yat     | kärri  | kärrin |
+| mite    | karovi | karvis |
+| chovö   | karosi | karsis |
+| boyät   | karoli | karlis |
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