The document discusses the simple past tense in English grammar. It explains that verbs in the simple past can be either regular (-ed) or irregular forms, and are used to describe completed past actions or events. Examples are provided asking about studying math yesterday and taking the bus to school last Monday, with responses using either the affirmative or negative form of did plus the base verb or past tense verb.

1. GRAMMAR SPOT Simple Past The verbs in Simple Present can have a Regular form ( –ed) or Irregular form. We use Simple Past for something in the past which is finished. DID Did you study math yesterday? Yes, I did. No, I didn’t. Yes, I studied math yesterday. No, I didn’t study math yesterday. DID Did she take the bus to school last Monday? Yes, she did. No, she didn’t. Yes, she took the bus to school last Monday. No, she didn’t take the bus to school last Monday.

2. Let’s do it together!