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  1. When to use "is" and "was"? - English Language Learners Stack …

  2. I 'was' or I 'were'? - English Language Learners Stack Exchange

  3. past vs present perfect - difference between "Have been" and "was ...

  4. verbs - English Language Learners Stack Exchange

  5. Should I use “was” or “were”? - English Language Learners Stack ...

  6. “is made” vs. “was made” vs. “has been made" [closed]

  7. personal pronouns - "It was me" or "It was I" - English Language ...

  8. Meaning using "was to" and "were to" in sentence

  9. "I used to" and "I was used to" - What is the difference?

  10. Difference between "is added" and "was added"