2. We use the simple past tense for a single completed action at a definite past time : John watched TV yesterday.
3. We use the simple past tense for a specific past event even though we do not mention the time : I bought my car in San Diego.
4. We also use the simple past tense for a period of time in the past that is now finished : Susan lived in Los Angeles for five years. Bill worked at Mitsubishi from 1993 to 1995.
5. Always use the simple past tense with ago . Mrs. Houghton visited France three months ago.
