- Positive/Affirmative: subject + aux. verb + past participle
- Negative: subject + aux. verb + past participle
- Question: verb + subject + past participle
Auxiliary verb = have/has.
The past participle often ends in “ed” (finished/decided/worked/talked), but many important verbs are irregular and does not end in “ed”
Examples: (lost/done/written/driven/thought etc.).
- Where is your key? I don’t know. I have lost it. (Means: I don’t have it now)
- He told me his name, but I have forgotten it. (Means: I can’t remember it now)
- Is sally here? No, she has gone out. (Means: She is out now)
- I can’t find my backpack. Have you seen it? (Means: Do you know where it is now?)
How To Use Your Past Simple Correctly
How To Use Your Past Simple Forms
List of Common Regular Verbs (Lista de verbos regulares comunes)
How To Use Your Present Perfect Continuous/Progressive Forms
List of Common Irregular Verbs (Lista de verbos irregulares comunes)
How to ask questions correctly using “how long have you (been)...?”.