What is the past perfect tense of run?

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2. What is past tense examples?
3. What is past tense with examples?
4. What is the past perfect tense of do?
5. Has decided or had decided?
6. What is the formula of past simple tense?
7. What is the difference between past perfect tense and past perfect continuous tense?
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Tags

1. #tense
2. #participle
3. #perfect
4. #imperfect
5. #anyway
6. #opposed
7. #street
8. #direct
9. #present