fallen
v.v. the past participle of fall. You use it to describe something that has moved from a high place to a lower one or someone who has dropped to the ground.
v. the past participle of the irregular verb fall. Used to indicate the completion of a downward movement or a drop in level, status, or quantity.
The leaves have fallen from the trees.
By the time we reached the garden, several heavy branches had fallen during the storm.
The stock market has fallen significantly over the last quarter, prompting investors to reconsider their long-term strategies in the face of economic uncertainty.
Morphologically fall + -en.
As a past participle, it is used with 'have' to form perfect tenses or as an adjective before a noun.
The tree has fell.The tree has fallen.Learners often confuse the simple past 'fell' with the past participle 'fallen' when forming the present perfect tense.