Explanation:
Past continuous tense mainly describes the events which began in the past but is continuous in present for a short period of time.
Past continuous tense is framed by the past form of the verb be with -ing form of the verb.
Examples:
1. I was watching TV when you completed your work yesterday.
2. I was sleeping when you got home the last night.
3. He was cutting the trees when it rained.
4. The children were running in the park when I got reached there.
5. The sun was shining when I was sleeping.
