Stappen: active of passive
1. Identify what the subject means
2. Identify what the verb means.
3. Is it logical for the subject to perform the verb? Yes - active
No - passive
4. Look for the correct verb tense
5. Active: use the forms you already know.
6. Passive: use the correct form of "to be" for that tense and put the past participle after it.
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