Essential English Grammar Rules: Tenses and Conditionals
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Essential English Grammar Foundations
Articles and Quantifiers
- A/An: uno/a
- Any: alguno/a
- Some: algunos/as
- The: la/el
Key Question Words
- How many: cuántos
- How much: cuánto cuesta (or quantity)
- How often: con qué frecuencia
- How far: hasta dónde
- How long: cuánto tiempo
Verb Tenses: Past Simple
Structure of the Past Simple Tense
- Affirmative (A): Subject + Verb in past (irregular or -ed form) + Complement.
- Negative (N): Subject + didn't / did not + Main Verb (base form) + Complement.
- Interrogative (I): Did + Subject + Main Verb (base form) + Complement + ?
Usage
Used to talk about actions that happened in the past and are finished.
Comparative Note
Used to describe an action finished at a specific time before now.