How to spell HAPPEEND correctly?

If you've mistakenly typed "happeend" instead of "happened", worry not! Auto-correct may come to the rescue, but in case it fails, here are a few correct alternatives: "happened", "happening", "happens" or "happen". Remember, spell-check can be a helpful tool, so ensure to proofread your work.

• append I will append the file to the email.
• happen
• Happened I don't know what happened.
• happens What happens when we run out of gas?

Attenttion

• attention
• attentions
• attenuation
• inattention