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Apuntes

• Subtopic: Modal Verbs - Can and Could Can and could are modal verbs used for abilities, possibilities, and permissions. "Can" is used for present/informal contexts (puedo, sé), while "could" is used for past/formal/less probable situations (podía, podría). The basic structure is: Subject + can/could + Base Verb + Complement. They are negated with cannot/can't or could not/couldn't, and questions are formed by placing them at the beginning of the sentence. **Grammatical Structures** **Affirmative Sentences:** Pattern: Subject + can/could + Base Verb + Complement. Examples: - I **can** swim. (Sé nadar - habilidad presente). - She **could** speak French when she was young. (Podía hablar francés). - It **could** rain later. (Podría llover - posibilidad). **Negative Sentences:** Pattern: Subject + can't/couldn't + Base Verb + Complement. Example: - He **can't** come to the party. (No puede venir a la fiesta). --- • Subtopic: Past Continuous - Negative and Interrogative **Negative (Negativo):** - Formula: Subject + was/were not (wasn’t/weren’t) + Verb(-ing) + Complement. - Usage: To state an action was not in progress. Examples: - I wasn’t sleeping when you called. - He wa...