El Conjugador

Spanish Grammar Rules

Spanish Conjugation

Conjugation is the set of forms that a verb can take.

The Spanish Verb
Verb Groups
The Spanish Alphabet
Moods
Tense Names
Americanisms
Subject Personal Pronouns
Formal Address
Voseo

Tense Formation

Depending on the verb and tense, accents or spelling modifications may appear. Here are the main rules for these different changes.

The Tonic Accent
The Diphthong
The Present Indicative
The Preterite or Simple Past
The Imperfect Indicative
The Future and Conditional
Subjunctive Formation
Imperative Formation
The Imperative in Pronominal Form
Gerund Formation
Summary of Tense Formation

Verb Models

How to remember tense formation?

General Case of Verbs in -ar
General Case of Verbs in -er
General Case of Verbs in -ir
Verbs in -oy

Tense Usage

When do we use the different tenses?

Sequence of Tenses
Gerund and Verbal Constructions