✔ 最佳答案
Most of the verbs could be added with "ed" for past tense just a few, say 10% are in irregular form.Just remember the irregular verbs is good enough.
Usually, the new words are added with "ed" as past tense. For example,
I texted you."Text" is a new verb which was added to dictionary in the past few years. It was used as "noun" for many years before the introduction of SMS service.