z_.

=APPENDIX VI=

PRINCIPAL VERBS, THE LAST ROOT VOWEL OF WHICH CHANGES INTO A DIPHTHONG
WHEN THE STRESS OF THE VOICE FALLS ON IT, AS---

=Pensar= (to think).

_Pres. Ind._, Pienso, piensas, piensa,--,--, piensan.
_Pres. Subj._, Piense, pienses, piense,--,--, piensen.
_Imperative_, Piensa, piense,--,--, piensen.

=Entender= (to understand).

_Pres. Ind._, Entiendo, entiendes, entiende,--,--, entienden.
_Pres. Subj._, Entienda, entiendas, entienda,--,--, entiendan.
_Imperative_, Entiende, entienda,--,--, entiendan.

=Sentir= (to feel).

_Pres. Ind._, Siento, sientes, siente,--,--, sienten.
_Pres. Subj._, Sienta, sientas, sienta, sintamos,[217] sintais,[217]
sientan.
_Imperative_, Siente, sienta, sintamos,[217]--, sientan.

=Acordar= (to agree).

_Pres. Ind._, Acuerdo, acuerdas, acuerda,--,--, acuerdan.
_Pres. Subj._, Acuerde, acuerdes, acuerde,--,--, acuerden.
_Imperative_, Acuerda, acuerde,--,--, acuerden.

=Mover= (to move).

_Pres. Ind._, Muevo, mueves, mueve,--,--, mueven.
_Pres. Subj._, Mueva, muevas, mueva,--,--, muevan.
_Imperative_, Mueve, mueva,--,--, muevan.

=Dormir= (to sleep).[216]

_Pres. Ind._, Duermo, duermes, duerme,--,--, duermen.
_Pres. Subj._, Duerma, duermas, duerma, durmamos,[217] durmais,[217]
duerman.
_Imperative_, Duerme, duerma, durmamos,[217]--, duerman.

[Footnote 216: _Morir_ (to die) is the only verb conjugated like
_Dormir_; but past part. _Muerto_.]

[Footnote 217: Notice the additional irregularities.]

Principal Verbs conjugated like "Pensar"--

Acertar (to hit the mark)
Acrecentar (to increase)
Alentar (to encourage)
Apretar (to squeeze)
Arrendar (to lease, to hire)
Asentarse (to sit down)
Aterrar (to pull down)
Atravesar (to cross)

Calentar (to warm)
Cegar (to blind)
Cerrar (to shut, to close)
Comendar (to commend)
Comenzar (to begin)
Confesar (to confess)

Desmembrar (to dismember)
Despertar (to awake)

Empedrar (to pave)
Empezar (to begin)
Encerrar (to shut in)
Enmendar (to correct)

Gobernar (to govern)

Manifestar (to manifest)
Mentar (to mention)

Negar (to deny)

Plegar (to fold)

Quebrar (to break)

Recomendar (to recommend)
Reventar (to burst)

Temblar (to tremble)
Tentar (to tempt, to attempt)
Tropezar (to stumble)

Principal Verbs conjugated like "Entender"--

Ascender (to go up)
Atender (to attend)

Condescender (to condescend)
Contender (to contend)

Def