SIMPLE PAST AND USED TO

1. SIMPLE PAST

1.1. AFFIRMATIVE

1.1.1. Eg: A few years ago, I went to California

1.2. Action in the past that is over.

1.3. NEGATIVE

1.4. With auxiliary verb DID

1.4.1. Eg: She did not live in Zacatecas in 2015.

1.5. QUESTIONS

1.6. WH + DID + SUBJECT + VERB (+ OBJECT/ COMPLEMENT)?

1.6.1. Eg: How did your father communicate as a child?

2. USED TO

2.1. AFFIRMATIVE

2.1.1. Eg: People used to send letters in the twentieth century

2.2. subject + used to + verb (present)

2.3. NEGATIVE

2.3.1. Eg:People didn’t use to ride Harley Davidson motorcycles in 1902.

2.4. QUESTIONS

2.4.1. Eg: What did you use to do as a child?

2.5. WH- + DID + SUBJECT + USE TO + VERB (+OBJECT/ COMPLEMENT) ?