Hello!
I believe a gerund is a "ing" word taking place as a noun. We can't be 100% sure, because it is not used in a sentence, it depends on how you use it in the sentence if it is a gerund or not. Overall, the word "writing" is not a gerund.
Hope this helps! ☺♥
Answer:
1. put charger in the plug.
2.connect the phone to the charger.
3. leave the phone alone until fully charged.
